A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

accept(Event, double, int) - Method in class at.ofai.music.beatroot.Agent

Accept a new Event as a beat time, and update the state of the Agent accordingly.

accept(File) - Method in class at.ofai.music.beatroot.FileFilters

Checks file names for a given extension.

actionPerformed(ActionEvent) - Method in class at.ofai.music.beatroot.EventProcessor

Processes all user menu and button actions.

actionPerformed(ActionEvent) - Method in class at.ofai.music.beatroot.ZoomListener

Called when a zoom button is pressed or the text field is edited.

add(Agent) - Method in class at.ofai.music.beatroot.AgentList

Inserts newAgent into the list in ascending order of beatInterval

add(Agent, boolean) - Method in class at.ofai.music.beatroot.AgentList

Appends newAgent to list (sort==false), or inserts newAgent into the list in ascending order of beatInterval

add(double, double) - Static method in class at.ofai.music.beatroot.EditAction

Add a new EditAction to the list

addAfterSelectedBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Interpolates a new beat between the currently selected and the following beat

addBeat(byte[], int, int, int) - Method in class at.ofai.music.beatroot.AudioPlayer

Adds a percussion sound to an audio sample at a specified time.

addBeat(double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Adds a beat at the given time.

addBeatNow() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Adds a beat at the current playback time, with an adjustment for audio latency.

addBeats(byte[], int) - Method in class at.ofai.music.beatroot.AudioPlayer

Adds a sequence of percussive sounds marking the beats at various metrical levels to an audio sample.

addButton(String, ActionListener) - Method in class at.ofai.music.beatroot.ControlPanel.ButtonPanel

Adds a button to this panel.

adjustment - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

for synchronising audio and graphics, a constant related to the size of the audio buffer in seconds

adjustmentValueChanged(AdjustmentEvent) - Method in class at.ofai.music.beatroot.PanelScroller

Called by the event handling system when the scroller is moved.

ag - Variable in class at.ofai.music.beatroot.AgentList

A beat tracking Agent

Agent - Class in at.ofai.music.beatroot

Agent is the central class for beat tracking.

Agent(double) - Constructor for class at.ofai.music.beatroot.Agent

Constructor: the work is performed by init()

Agent(Agent) - Constructor for class at.ofai.music.beatroot.Agent

Copy constructor.

AgentList - Class in at.ofai.music.beatroot

Class for maintaining the set of all Agents involved in beat tracking a piece of music.

AgentList() - Constructor for class at.ofai.music.beatroot.AgentList

Default constructor

AgentList(Agent, AgentList) - Constructor for class at.ofai.music.beatroot.AgentList

Constructor for an AgentList: the Agent a is prepended to the list al.

allowedError - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

For evaluation of beat tracking results, the largest difference allowed between the computed and annotated beat times.

argsFile - Variable in class at.ofai.music.beatroot.BeatRoot

Input file for batch processing where each line contains a list of arguments for a BeatRoot run

at.ofai.music.beatroot - package at.ofai.music.beatroot

AUDIO_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the colour of the amplitude envelope

AUDIO_SCALE_FACTOR - Static variable in class at.ofai.music.beatroot.GUI

AudioFile - Class in at.ofai.music.beatroot

A simple class for reading audio data from files.

AudioFile(String) - Constructor for class at.ofai.music.beatroot.AudioFile

Constructor

audioFileName - Variable in class at.ofai.music.beatroot.AudioProcessor

Source of input data.

audioFormat - Variable in class at.ofai.music.beatroot.AudioProcessor

Format of the audio data in pcmInputStream

audioIn - Variable in class at.ofai.music.beatroot.AudioFile

The stream from which audio is read (after conversion if necessary)

audioIn - Variable in class at.ofai.music.beatroot.BeatRoot

File name of audio input file

audioOut - Variable in class at.ofai.music.beatroot.AudioPlayer

The object to which audio output is written

audioOut - Variable in class at.ofai.music.beatroot.AudioProcessor

Line for audio output (not used, since output is done by AudioPlayer)

AudioPlayer - Class in at.ofai.music.beatroot

AudioPlayer(AudioFile, JFileChooser) - Constructor for class at.ofai.music.beatroot.AudioPlayer

Constructor

audioPlayer - Variable in class at.ofai.music.beatroot.BeatRoot

The object that deals with audio output

audioPlayer - Variable in class at.ofai.music.beatroot.EventProcessor

Handle to BeatRoot's audio player

audioPlayer - Variable in class at.ofai.music.beatroot.GUI

The object which handles sound output

AudioProcessor - Class in at.ofai.music.beatroot

Audio processing class (adapted from PerformanceMatcher).

AudioProcessor() - Constructor for class at.ofai.music.beatroot.AudioProcessor

Constructor: note that streams are not opened until the input file is set (see setInputFile()).

audioProcessor - Variable in class at.ofai.music.beatroot.BeatRoot

The object that deals with processing the audio data

audioProcessor - Variable in class at.ofai.music.beatroot.EventProcessor

Handle to BeatRoot's audio processor

audioProcessor - Variable in class at.ofai.music.beatroot.GUI

The object which reads and processes audio

audioScale - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

Scaling factor for displaying the amplitude envelope

B

BAR - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

batchMode - Static variable in class at.ofai.music.beatroot.AudioProcessor

Flag for batch mode.

batchMode - Variable in class at.ofai.music.beatroot.BeatRoot

Flag indicating that no GUI input is expected, i.e.

BEAT - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

BEAT_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the colour of the lines marking the beats

BEAT_TRACK - Static variable in class at.ofai.music.beatroot.GUI

beatCount - Variable in class at.ofai.music.beatroot.Agent

The number of beats found by this Agent, including interpolated beats.

beatIndex - Variable in class at.ofai.music.beatroot.AudioPlayer

The index in beats[] of the next beat (relative to the current playback position

beatInduction(EventList) - Static method in class at.ofai.music.beatroot.Induction

Performs tempo induction (see JNMR 2001 paper by Simon Dixon for details).

beatInterval - Variable in class at.ofai.music.beatroot.Agent

The current tempo hypothesis of the Agent, expressed as the beat period in seconds.

beatPtr - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

location of selected beat (previous()) in the EventList beats

BeatRoot - Class in at.ofai.music.beatroot

The main class of the BeatRoot application.

BeatRoot(String[]) - Constructor for class at.ofai.music.beatroot.BeatRoot

Constructor.

beats - Variable in class at.ofai.music.beatroot.AudioPlayer

The positions in samples of beats for playback of audio with click marking beat times

beats - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

beat data encoded as a list of Events

beats - Variable in class at.ofai.music.beatroot.GUI

The current list of beat times

beatsFile - Variable in class at.ofai.music.beatroot.BeatRoot

Input file name for annotated beat times (for evaluating BeatRoot)

beatsIn - Variable in class at.ofai.music.beatroot.BeatRoot

Input file name of beat times in TMF format (instead of automatic beat tracking)

beatTime - Variable in class at.ofai.music.beatroot.Agent

The time of the most recent beat accepted by this Agent.

beatTrack(EventList) - Method in class at.ofai.music.beatroot.AgentList

Perform beat tracking on a list of events (onsets).

beatTrack(EventList, double) - Method in class at.ofai.music.beatroot.AgentList

Perform beat tracking on a list of events (onsets).

beatTrack(EventList) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Perform beat tracking where the GUI is not active; there is no selected region.

beatTrack(EventList, EventList) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Perform beat tracking where the GUI is not active; there is no selected region.

beatTrack() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Performs automatic beat tracking and updates the GUI accordingly.

BeatTrackDisplay - Class in at.ofai.music.beatroot

Main panel of BeatRoot's GUI, which displays the audio and beat data and allows editing, scrolling, selecting, etc

BeatTrackDisplay(GUI, EventList) - Constructor for class at.ofai.music.beatroot.BeatTrackDisplay

Constructor:

bestAgent() - Method in class at.ofai.music.beatroot.AgentList

Finds the Agent with the highest score in the list.

C

cbIndex - Variable in class at.ofai.music.beatroot.AudioProcessor

The index of the next position to write in the circular buffer.

centred - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

mode for scrolling the display: if true the cursor remains centred on the screen and the data scrolls; if false the cursor moves and the data is changed just before the cursor reaches the edge of the screen.

channels - Variable in class at.ofai.music.beatroot.AudioFile

The number of channels in the audio stream

channels - Variable in class at.ofai.music.beatroot.AudioProcessor

Number of channels of audio in audioFormat

Chooser - Class in at.ofai.music.beatroot

An extension of the Swing file chooser for specific file types.

Chooser() - Constructor for class at.ofai.music.beatroot.Chooser

Constructor for BeatRoot's file chooser

chooser - Variable in class at.ofai.music.beatroot.EventProcessor

Handle to BeatRoot's file chooser

chooser - Variable in class at.ofai.music.beatroot.GUI

BeatRoot's file chooser object

circBuffer - Variable in class at.ofai.music.beatroot.AudioProcessor

Audio data is scaled to the range [0,1] and averaged to one channel and stored in a circular buffer for reuse (if hopTime < fftTime).

clear() - Static method in class at.ofai.music.beatroot.EditAction

Clear the list of EditActions

CLEAR_BEATS - Static variable in class at.ofai.music.beatroot.GUI

CLEAR_METRICAL_LEVELS - Static variable in class at.ofai.music.beatroot.GUI

clearBeatData() - Method in class at.ofai.music.beatroot.GUI

Clear all beats.

clearBeats() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Clears all beats in the selected area and sets beatPtr to point between the beats surrounding the deleted area.

clearImage() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Clears the background image to white

clearMetricalLevels() - Method in class at.ofai.music.beatroot.GUI

Clears any metrical level annotations from the beats

click - Variable in class at.ofai.music.beatroot.AudioPlayer

An array of percussion sounds

CLICK_VOLUME - Static variable in class at.ofai.music.beatroot.GUI

clipRect - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the clip rectangle for painting only those areas which have changed

closeStreams() - Method in class at.ofai.music.beatroot.AudioProcessor

Closes the input stream(s) associated with this object.

clusterWidth - Static variable in class at.ofai.music.beatroot.Induction

The maximum difference in IOIs which are in the same cluster

colour - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

colour map used in the spectrogram

CONF_FACTOR - Static variable in class at.ofai.music.beatroot.Agent

The slope of the penalty function for onsets which do not coincide precisely with predicted beat times.

considerAsBeat(Event, AgentList) - Method in class at.ofai.music.beatroot.Agent

The given Event is tested for a possible beat time.

controlled - Variable in class at.ofai.music.beatroot.PanelScroller

A reference to the main data panel of the BeatRoot GUI, so that it can be updated when the scroller is moved.

ControlPanel - Class in at.ofai.music.beatroot

The panel at the bottom of BeatRoot's GUI containing the buttons

ControlPanel(BeatTrackDisplay, JScrollBar, String, EventProcessor) - Constructor for class at.ofai.music.beatroot.ControlPanel

Constructor:

controlPanel - Variable in class at.ofai.music.beatroot.GUI

The panel containing buttons and text fields, situated at the bottom of the window

ControlPanel.ButtonPanel - Class in at.ofai.music.beatroot

For layout of the grid of buttons (i.e.

ControlPanel.ButtonPanel(int, int) - Constructor for class at.ofai.music.beatroot.ControlPanel.ButtonPanel

Constructor:

correctedPosition() - Method in class at.ofai.music.beatroot.AudioPlayer

Returns current playback position, corrected for audio buffered in the soundcard.

correctionFactor - Static variable in class at.ofai.music.beatroot.Agent

Controls the reactiveness/inertia balance, i.e.

count - Static variable in class at.ofai.music.beatroot.AgentList

The length of the list (number of beat tracking Agents)

csvFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

current - Static variable in class at.ofai.music.beatroot.EditAction

The EditAction which would be undone by clicking on "Undo".

currentFile - Variable in class at.ofai.music.beatroot.AudioPlayer

The file currently loaded by this AudioPlayer

currentPosition - Variable in class at.ofai.music.beatroot.AudioPlayer

The position (in bytes) of playback, relative to the beginning of the file

currentTime - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the current time of audio output (for cursor position)

D

debug - Static variable in class at.ofai.music.beatroot.Agent

Print debugging information

debug - Static variable in class at.ofai.music.beatroot.AgentList

Flag for printing debugging output.

debug - Variable in class at.ofai.music.beatroot.AudioPlayer

Flag for debugging output

debug - Static variable in class at.ofai.music.beatroot.AudioProcessor

Flag for enabling or disabling debugging output

debug - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

Flag for enabling debugging output

debug - Static variable in class at.ofai.music.beatroot.EditAction

A flag indicating whether debugging information should be printed.

debug - Static variable in class at.ofai.music.beatroot.EventProcessor

Flag for enabling debugging output

debug - Static variable in class at.ofai.music.beatroot.GUI

Flag for enabling printing of debugging information

debug - Static variable in class at.ofai.music.beatroot.Induction

Flag to enable debugging output

decayFactor - Static variable in class at.ofai.music.beatroot.Agent

For scoring Agents in a (non-existent) real-time version (otherwise not used).

DEFAULT_BI - Static variable in class at.ofai.music.beatroot.AgentList

For the purpose of removing duplicate agents, the default JND of IBI

DEFAULT_BT - Static variable in class at.ofai.music.beatroot.AgentList

For the purpose of removing duplicate agents, the default JND of phase

DEFAULT_CLICK_VOLUME - Static variable in class at.ofai.music.beatroot.GUI

DEFAULT_CORRECTION_FACTOR - Static variable in class at.ofai.music.beatroot.Agent

The reactiveness/inertia balance, i.e.

DEFAULT_EXPIRY_TIME - Static variable in class at.ofai.music.beatroot.Agent

The default value of expiryTime, which is the time (in seconds) after which an Agent that has no Event matching its beat predictions will be destroyed.

DEFAULT_HIGH_THRESHOLD - Static variable in class at.ofai.music.beatroot.GUI

DEFAULT_LOW_THRESHOLD - Static variable in class at.ofai.music.beatroot.GUI

Default values of preferences

DEFAULT_MODE - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the default display mode

DEFAULT_SCALE_FACTOR - Static variable in class at.ofai.music.beatroot.GUI

defaultOutputBufferSize - Static variable in class at.ofai.music.beatroot.AudioPlayer

The default buffer size for audio output

delta(double, double) - Static method in class at.ofai.music.beatroot.ZoomListener

Increments or decrements and rounds the length of visible audio data.

description - Variable in class at.ofai.music.beatroot.FileFilters

A text description of this file type

display - Static variable in class at.ofai.music.beatroot.EditAction

The main panel of BeatRoot's GUI, which is called to perform undo/redo

displayPanel - Variable in class at.ofai.music.beatroot.GUI

The main data panel, which displays audio and beat data, and is a component of this window

displayPanel - Variable in class at.ofai.music.beatroot.ZoomListener

The main data panel of BeatRoot's GUI

doOnsetPlot - Static variable in class at.ofai.music.beatroot.AudioProcessor

Flag for plotting onset detection function.

E

EDIT_PERCUSSION - Static variable in class at.ofai.music.beatroot.GUI

EDIT_PREFERENCES - Static variable in class at.ofai.music.beatroot.GUI

EditAction - Class in at.ofai.music.beatroot

Implements undo and redo for most beat editing actions.

EditAction(double, double, EditAction, EditAction) - Constructor for class at.ofai.music.beatroot.EditAction

Constructor:

editPercussionSounds() - Method in class at.ofai.music.beatroot.GUI

Opens the percussion sound selection dialog and updates the sound buffers accordingly

editPreferences() - Method in class at.ofai.music.beatroot.GUI

Opens preferences dialog and updates the display accordingly.

endPosition - Variable in class at.ofai.music.beatroot.AudioPlayer

The byte position in the current file to stop playing

endSelection - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

end of selected data region (may be < start)

energy - Variable in class at.ofai.music.beatroot.AudioProcessor

The RMS energy of all frames.

energyOversampleFactor - Static variable in class at.ofai.music.beatroot.AudioProcessor

Ratio between rate of sampling the signal energy (for the amplitude envelope) and the hop size

ensureShowing(double, boolean) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Ensures that the given time is visible on the screen, by requesting a scroll if it is off the screen.

env - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the times corresponding to each point in the magnitudes array

error(String) - Static method in class at.ofai.music.beatroot.BeatRoot

Print an error message and opens an exit dialog.

evaluate(String) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Evaluates a beat tracking solution against an annotation of the data.

evaluate(String, EventList) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Evaluates a beat tracking solution against an annotation of the data.

evaluate(String, String) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Evaluates a beat tracking solution against an annotation of the data.

evaluate(String, double[]) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Evaluates a beat tracking solution against an annotation of the data.

EventProcessor - Class in at.ofai.music.beatroot

Key, menu, and button event processing.

EventProcessor(GUI, AudioPlayer, AudioProcessor, Chooser) - Constructor for class at.ofai.music.beatroot.EventProcessor

Constructor:

events - Variable in class at.ofai.music.beatroot.Agent

The list of Events (onsets) accepted by this Agent as beats, plus interpolated beats.

EXIT - Static variable in class at.ofai.music.beatroot.GUI

expiryTime - Static variable in class at.ofai.music.beatroot.Agent

The time (in seconds) after which an Agent that has no Event matching its beat predictions will be destroyed.

F

featureFile - Variable in class at.ofai.music.beatroot.BeatRoot

Input file name for (onset) feature file, instead of audio input, for ICASSP'07 paper

fftSize - Variable in class at.ofai.music.beatroot.AudioProcessor

The size of an FFT frame in samples (see fftTime)

fftTime - Variable in class at.ofai.music.beatroot.AudioProcessor

The approximate size of an FFT frame in seconds, as set by the command line option -f FFTTime.

fileChooser - Variable in class at.ofai.music.beatroot.BeatRoot

The dialog window for selecting files for opening and saving data

FileFilters - Class in at.ofai.music.beatroot

Implements a set of file filters for the file types used by BeatRoot.

FileFilters(String, String) - Constructor for class at.ofai.music.beatroot.FileFilters

Constructor

fillBeats() - Method in class at.ofai.music.beatroot.Agent

Interpolates missing beats in the Agent's beat track, starting from the beginning of the piece.

fillBeats(double) - Method in class at.ofai.music.beatroot.Agent

Interpolates missing beats in the Agent's beat track.

findClosestBeat(int, boolean) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Finds the closest beat to a given time.

font - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

font used for displaying text

fontSize - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

size of font for inter-beat intervals and axis labels

format - Variable in class at.ofai.music.beatroot.AudioFile

The format of the audio data

frameCount - Variable in class at.ofai.music.beatroot.AudioProcessor

The number of overlapping frames of audio data which have been read.

frameRate - Variable in class at.ofai.music.beatroot.AudioFile

The sampling rate

frameRMS - Variable in class at.ofai.music.beatroot.AudioProcessor

RMS amplitude of the current frame.

frames - Variable in class at.ofai.music.beatroot.AudioProcessor

The magnitude spectra of all frames, used for plotting the spectrogram.

frameSize - Variable in class at.ofai.music.beatroot.AudioFile

The size of an audio frame (i.e.

freqMap - Variable in class at.ofai.music.beatroot.AudioProcessor

A mapping function for mapping FFT bins to final frequency bins.

freqMapSize - Variable in class at.ofai.music.beatroot.AudioProcessor

The number of entries in freqMap.

from - Variable in class at.ofai.music.beatroot.EditAction

The original position of a beat, before editing took place.

G

getArgs() - Method in class at.ofai.music.beatroot.BeatRoot

Reads a line from the arguments file argsFile, and converts it into an array of Strings, allowing for quoted strings.

getAudioInName() - Method in class at.ofai.music.beatroot.Chooser

Opens a load dialog for loading audio data.

getAudioOutName() - Method in class at.ofai.music.beatroot.Chooser

Opens a dialog to get a file name for audio output.

getAverageIBI(double[]) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Finds the mean tempo (as inter-beat interval) from an array of beat times

getBeatData() - Method in class at.ofai.music.beatroot.GUI

Returns the list of beats

getBeatInName() - Method in class at.ofai.music.beatroot.Chooser

Opens a load dialog for loading beat data.

getBeatOutName() - Method in class at.ofai.music.beatroot.Chooser

Opens a dialog to get a file name for saving beat information.

getBeats() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getColour(double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Maps a double to a colour for displaying the spectrogram

getCurrentFileLength() - Method in class at.ofai.music.beatroot.AudioPlayer

Returns the length of the current or requested file.

getCurrentTime() - Method in class at.ofai.music.beatroot.AudioPlayer

Returns the current playback time in seconds from when play was started.

getDescription() - Method in class at.ofai.music.beatroot.FileFilters

The description of the file type used in the file dialog's choice box.

getFeatures(String) - Static method in class at.ofai.music.beatroot.AudioProcessor

Reads a text file containing a list of whitespace-separated feature values.

getFrame() - Method in class at.ofai.music.beatroot.AudioProcessor

Reads a frame of input data, averages the channels to mono, scales to a maximum possible absolute value of 1, and stores the audio data in a circular input buffer.

getInputName(FileFilters) - Method in class at.ofai.music.beatroot.Chooser

Opens a load dialog and returns the chosen file name.

getMaximum() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getMedianIBI(double[]) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Finds the median tempo (as inter-beat interval) from an array of beat times

getMinimum() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getOffsets() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getOnsets() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getOutputName(FileFilters) - Method in class at.ofai.music.beatroot.Chooser

Opens a save dialog and returns the chosen file name.

getPercussionSound(int) - Method in class at.ofai.music.beatroot.GUI

Returns the file name of a percussion sound for playing at beat times.

getPitches() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

getRhythmicLevel(double[], double[]) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Estimates the metrical relationship between two beat sequences.

getSelectedRegion(String) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Gets the start (selectedStart) and length (selectedLength) of the region of audio which has been selected (if any).

getValue() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Returns the time corresponding to the left edge of the display; used in scrolling

getVisibleAmount() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Gets the length of audio that is visible at any one time (i.e.

gImage - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the Graphics object for drawing on img

gui - Variable in class at.ofai.music.beatroot.AudioPlayer

BeatRoot's graphical user interface

gui - Variable in class at.ofai.music.beatroot.BeatRoot

The graphical user interface (frame) object

gui - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

handle to the GUI (parent) object

gui - Variable in class at.ofai.music.beatroot.EventProcessor

Handle to BeatRoot's GUI

GUI - Class in at.ofai.music.beatroot

The main window of BeatRoot's graphical user interface.

GUI(AudioPlayer, AudioProcessor, Chooser) - Constructor for class at.ofai.music.beatroot.GUI

Constructor: creates the GUI for BeatRoot

H

HEAD - Static variable in class at.ofai.music.beatroot.EditAction

The head of the list of edit actions, marked by a dummy EditAction object

HIGH_THRESHOLD - Static variable in class at.ofai.music.beatroot.GUI

hiThreshold - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the threshold above which the maximum colour is used in the spectrogram

hopSize - Variable in class at.ofai.music.beatroot.AudioProcessor

Spacing of audio frames in samples (see hopTime)

hopTime - Variable in class at.ofai.music.beatroot.AudioProcessor

Spacing of audio frames (determines the amount of overlap or skip between frames).

I

idCounter - Static variable in class at.ofai.music.beatroot.Agent

The identity number of the next created Agent

idNumber - Variable in class at.ofai.music.beatroot.Agent

The Agent's unique identity number.

ifSetPosition(double) - Method in class at.ofai.music.beatroot.AudioPlayer

Conditionally changes the position and possibly the file for input data, if the play thread is idle.

ignoreWarnings - Static variable in class at.ofai.music.beatroot.BeatRoot

Flag indicating whether warning messages should be ignored or displayed

imBuffer - Variable in class at.ofai.music.beatroot.AudioProcessor

The imaginary part of the data for the in-place FFT computation.

img - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

background image showing audio data but not beats

Induction - Class in at.ofai.music.beatroot

Performs tempo induction by finding clusters of similar inter-onset intervals (IOIs), ranking them according to the number of intervals and relationships between them, and returning a set of tempo hypotheses for initialising the beat tracking agents.

Induction() - Constructor for class at.ofai.music.beatroot.Induction

init(double) - Method in class at.ofai.music.beatroot.Agent

Initialise all the fields of this Agent.

init() - Method in class at.ofai.music.beatroot.AudioProcessor

Allocates memory for arrays, based on parameter settings

init(boolean) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Initialises the panel after new data is loaded or preferences are changed.

initBeats() - Method in class at.ofai.music.beatroot.AudioPlayer

Initialise the beat list ready for audio playback with beats.

initClicks() - Method in class at.ofai.music.beatroot.AudioPlayer

Initialise the percussion sounds for audio playback with beats.

initialBeatInterval - Variable in class at.ofai.music.beatroot.Agent

The initial tempo hypothesis of the Agent, expressed as the beat period in seconds.

INNER_MARGIN - Static variable in class at.ofai.music.beatroot.Agent

The default value of innerMargin, which is the maximum time (in seconds) that a beat can deviate from the predicted beat time without a fork occurring.

innerMargin - Static variable in class at.ofai.music.beatroot.Agent

The maximum time (in seconds) that a beat can deviate from the predicted beat time without a fork occurring (i.e.

inputBuffer - Variable in class at.ofai.music.beatroot.AudioProcessor

Audio data is initially read in PCM format into this buffer.

J

jfc - Variable in class at.ofai.music.beatroot.AudioPlayer

The file chooser dialog window for opening and saving files

jobq - Variable in class at.ofai.music.beatroot.ControlPanel

The listener object which handles key, button and menu events

K

keyPressed(KeyEvent) - Method in class at.ofai.music.beatroot.EventProcessor

Processes user key events which are not associated with menu items.

keyReleased(KeyEvent) - Method in class at.ofai.music.beatroot.EventProcessor

Ignore key releases, since processing is performed as soon as the key is pressed.

keyTyped(KeyEvent) - Method in class at.ofai.music.beatroot.EventProcessor

Ignore KeyEvents indicating that a key was typed, since keyPressed() has already dealt with this keystroke.

L

length - Variable in class at.ofai.music.beatroot.AudioFile

The amount of audio data in bytes

LENGTH - Static variable in class at.ofai.music.beatroot.GUI

level - Variable in class at.ofai.music.beatroot.AudioPlayer

The metrical level of each beat (see beats[])

LEVEL - Static variable in class at.ofai.music.beatroot.GUI

Strings displayed in metrical level window

listener - Variable in class at.ofai.music.beatroot.GUI

The object which processes key, button and menu events

liveInputBufferSize - Static variable in class at.ofai.music.beatroot.AudioProcessor

Audio buffer for live input.

load() - Method in class at.ofai.music.beatroot.AudioPlayer

Open a new audio input file, with the path being chosen by a file chooser dialog.

load(String) - Method in class at.ofai.music.beatroot.AudioPlayer

Open a new audio input file with the given path.

LOAD_AUDIO - Static variable in class at.ofai.music.beatroot.GUI

Strings displayed on menus and buttons

LOAD_BEATS - Static variable in class at.ofai.music.beatroot.GUI

loadAudioData() - Method in class at.ofai.music.beatroot.GUI

Loads and processes an audio file chosen with a file open dialog.

loadAudioData(String) - Method in class at.ofai.music.beatroot.GUI

Loads and processes a given audio file.

loadBeatData() - Method in class at.ofai.music.beatroot.GUI

Loads beat data from a file chosen by a file open dialog.

loadBeatData(String) - Method in class at.ofai.music.beatroot.GUI

Loads beat data from a given file.

locationToTime(int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Finds the time corresponding to a given x-coordinate.

loThreshold - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the threshold below which the minimum colour is used in the spectrogram

LOW_THRESHOLD - Static variable in class at.ofai.music.beatroot.GUI

Strings displayed in preferences window

ltAverage - Variable in class at.ofai.music.beatroot.AudioProcessor

Long term average frame energy (in frequency domain representation).

M

magnitudes - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

smoothed amplitude envelope of audio signal

main(String[]) - Static method in class at.ofai.music.beatroot.AudioFile

Unit test for reading audio from jar file

main(String[]) - Static method in class at.ofai.music.beatroot.BeatRoot

Entry point for BeatRoot application.

makeBeatTrackMenu() - Method in class at.ofai.music.beatroot.GUI

Creates the beat tracking menu

makeEditMenu() - Method in class at.ofai.music.beatroot.GUI

Creates the edit menu

makeFileMenu() - Method in class at.ofai.music.beatroot.GUI

Creates the file menu

makeFreqMap(int, float) - Method in class at.ofai.music.beatroot.AudioProcessor

Creates a map of FFT frequency bins to comparison bins.

makeMenuItem(String, int, int, boolean) - Method in class at.ofai.music.beatroot.GUI

Creates a menu item with the given text and key codes.

makePlayMenu() - Method in class at.ofai.music.beatroot.GUI

Creates the play menu

makeViewMenu() - Method in class at.ofai.music.beatroot.GUI

Creates the view menu

MARK_METRICAL_LEVEL - Static variable in class at.ofai.music.beatroot.GUI

markMetricalLevel(int, int, int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Marks (only) the selected metrical level as specified.

markMetricalLevel() - Method in class at.ofai.music.beatroot.GUI

Opens the metrical levels dialog and annotates the beat data correspondingly

matchFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

MAX_CHANGE - Static variable in class at.ofai.music.beatroot.Agent

The maximum allowed deviation from the initial tempo, expressed as a fraction of the initial beat period.

MAX_LENGTH - Static variable in class at.ofai.music.beatroot.AudioProcessor

Maximum file length in seconds.

maxIBI - Static variable in class at.ofai.music.beatroot.Induction

The maximum inter-beat interval (IBI), i.e.

maximumTime - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the maximum time that might need to be displayed for this input file (seconds)

maxIOI - Static variable in class at.ofai.music.beatroot.Induction

The maximum IOI for inclusion in a cluster

menuBar - Variable in class at.ofai.music.beatroot.GUI

BeatRoot's menu bar

metricalLevels - Variable in class at.ofai.music.beatroot.GUI

Dialog for specifying metrical levels

metrics - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

metrics for calculating the size of printed strings

MIDI_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the colour of the MIDI piano roll

midiFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

midiMax - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

largest displayed midi pitch

midiMin - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

smallest displayed midi pitch

minIBI - Static variable in class at.ofai.music.beatroot.Induction

The minimum inter-beat interval (IBI), i.e.

minimumTime - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the minimum time that might need to be displayed for this input file (seconds)

minIOI - Static variable in class at.ofai.music.beatroot.Induction

The minimum IOI for inclusion in a cluster

mode - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

a bit string indicating what items are displayed on the main data panel

mouseClicked(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Ignore composite events (already processed as press/drag/release events)

mouseDragged(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Called when the mouse is moved with a button down; if a beat is selected, it is moved under the cursor, and if a region is selected it is expanded or shrunk under the cursor.

mouseEntered(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Request focus for key events whenever the mouse enters the window.

mouseExited(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Ignore mouse exit events

mouseMoved(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Ignore mouse movement with no button pressed

mousePressed(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

A mouse button press can be used to move (left button), add (middle button), or delete (right button) a beat, or to select or deselect a region, by clicking on the axis.

mouseReleased(MouseEvent) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Called when the mouse button is released, to finalise move/add/delete operations.

moveBeat(double, double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Changes the time of a beat, and re-sorts the list.

N

newBeat(double, int) - Static method in class at.ofai.music.beatroot.BeatTrackDisplay

Creates a new Event object representing a beat.

newFrame - Variable in class at.ofai.music.beatroot.AudioProcessor

The magnitude spectrum of the current frame.

newInduction(EventList) - Static method in class at.ofai.music.beatroot.Induction

An alternative (incomplete) tempo induction method (not used).

next - Variable in class at.ofai.music.beatroot.AgentList

The remainder of the linked list

next - Variable in class at.ofai.music.beatroot.EditAction

The next edit action in order of occurrence

normaliseMode - Static variable in class at.ofai.music.beatroot.AudioProcessor

Determines method of normalisation.

O

offsets - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the times of offsets (in seconds) for MIDI data

ONSET_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the colour of the onset markers on the amplitude envelope

onsetList - Variable in class at.ofai.music.beatroot.AudioProcessor

The estimated onset times and their saliences.

onsetList - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

a list of onset events for passing to the tempo induction and beat tracking methods

onsetOnly - Variable in class at.ofai.music.beatroot.BeatRoot

Flag to load/save onsets

onsets - Variable in class at.ofai.music.beatroot.AudioProcessor

The estimated onset times from peak-picking the onset detection function(s).

onsets - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the times of onsets (in seconds)

outputBufferSize - Variable in class at.ofai.music.beatroot.AudioPlayer

The buffer size used by audioOut

overlap - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the ratio of hop size to frame size (for aligning the spectrogram with the audio)

P

paint(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Renders the panel.

paintAudioData(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints the audio amplitude envelope and onset markers.

paintAxes(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints the time axis and labels

paintBackground(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints the background of the spectrogram and selected area (if any).

paintBeats(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints the beats and inter-baet intervals

paintMidiData(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints MIDI data in piano-roll notation.

paintSpectroData(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Paints the spectrogram data.

PanelScroller - Class in at.ofai.music.beatroot

A listener class for the scrollbar, which notifies the GUI's main panel when the scrollbar is moved.

PanelScroller(BeatTrackDisplay) - Constructor for class at.ofai.music.beatroot.PanelScroller

Constructor:

passMessage - Static variable in class at.ofai.music.beatroot.PanelScroller

path - Variable in class at.ofai.music.beatroot.AudioFile

The path name of the audio file (relative or absolute)

pause() - Method in class at.ofai.music.beatroot.AudioPlayer

Notifies play thread to pause playing

pcmInputStream - Variable in class at.ofai.music.beatroot.AudioProcessor

Uncompressed version of rawInputStream.

PERCUSSION_STRINGS - Static variable in class at.ofai.music.beatroot.GUI

percussionCount - Static variable in class at.ofai.music.beatroot.GUI

Constants and default file names for percussion sounds for each metrical levels

percussionSounds - Variable in class at.ofai.music.beatroot.GUI

Dialog for setting the percussion sounds which are played on beats

PHASE - Static variable in class at.ofai.music.beatroot.GUI

phaseDeviation - Variable in class at.ofai.music.beatroot.AudioProcessor

Phase deviation onset detection function, indexed by frame.

phaseScore - Variable in class at.ofai.music.beatroot.Agent

Sum of salience values of the Events which have been interpreted as beats by this Agent, weighted by their nearness to the predicted beat times.

pitches - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the pitches of MIDI notes

play() - Method in class at.ofai.music.beatroot.AudioPlayer

Notify play thread to play audio with beats

play(boolean) - Method in class at.ofai.music.beatroot.AudioPlayer

Notify play thread to play either audio or beats.

play(boolean, boolean) - Method in class at.ofai.music.beatroot.AudioPlayer

Notify play thread to play audio, beats or both.

PLAY - Static variable in class at.ofai.music.beatroot.GUI

PLAY_AUDIO - Static variable in class at.ofai.music.beatroot.GUI

PLAY_BEATS - Static variable in class at.ofai.music.beatroot.GUI

playAudio - Variable in class at.ofai.music.beatroot.AudioPlayer

Flag indicating the current mode of playing, whether audio should be played

playBeats - Variable in class at.ofai.music.beatroot.AudioPlayer

Flag indicating the current mode of playing, whether the beats should be played

playing - Variable in class at.ofai.music.beatroot.AudioPlayer

A flag set by the play thread indicating whether audio playback is active

playWithBeats - Variable in class at.ofai.music.beatroot.BeatRoot

Flag indicating whether audio with beats should be played after processing is complete

plot - Variable in class at.ofai.music.beatroot.AudioProcessor

Object for plotting output (for debugging / development) .

POST_MARGIN_FACTOR - Static variable in class at.ofai.music.beatroot.Agent

The maximum amount by which a beat can be later than the predicted beat time, expressed as a fraction of the beat period.

postMargin - Variable in class at.ofai.music.beatroot.Agent

The size of the outer half-window after the predicted beat time.

PRE_MARGIN_FACTOR - Static variable in class at.ofai.music.beatroot.Agent

The maximum amount by which a beat can be earlier than the predicted beat time, expressed as a fraction of the beat period.

preferences - Variable in class at.ofai.music.beatroot.GUI

Dialog for setting preferences

preMargin - Variable in class at.ofai.music.beatroot.Agent

The size of the outer half-window before the predicted beat time.

prev - Variable in class at.ofai.music.beatroot.EditAction

The previous edit action in order of occurrence

prevFrame - Variable in class at.ofai.music.beatroot.AudioProcessor

The magnitude spectrum of the most recent frame.

prevPhase - Variable in class at.ofai.music.beatroot.AudioProcessor

Phase of the previous frame, for calculating an onset function based on spectral phase deviation.

prevPrevPhase - Variable in class at.ofai.music.beatroot.AudioProcessor

Phase of the frame before the previous frame, for calculating an onset function based on spectral phase deviation.

print() - Method in class at.ofai.music.beatroot.Agent

Output debugging information about this Agent, at the default (highest) level of detail.

print(int) - Method in class at.ofai.music.beatroot.Agent

Output debugging information about this Agent.

print() - Method in class at.ofai.music.beatroot.AgentList

Deep print of AgentList for debugging

print() - Method in class at.ofai.music.beatroot.AudioProcessor

For debugging, outputs information about the AudioProcessor to standard error.

print() - Method in class at.ofai.music.beatroot.EditAction

Prints a single EditAction (for debugging)

printAll() - Static method in class at.ofai.music.beatroot.EditAction

Prints the queue of EditActions (for debugging)

processArgs(String[]) - Method in class at.ofai.music.beatroot.BeatRoot

Process command line arguments.

processFeatures(String, double) - Method in class at.ofai.music.beatroot.AudioProcessor

Reads a file of feature values, treated as an onset detection function, and finds peaks, which are stored in onsetList and onsets.

processFile() - Method in class at.ofai.music.beatroot.AudioProcessor

Processes a complete file of audio data.

processFrame() - Method in class at.ofai.music.beatroot.AudioProcessor

Processes a frame of audio data by first computing the STFT with a Hamming window, then mapping the frequency bins into a part-linear part-logarithmic array, then computing the spectral flux then (optionally) normalising and calculating onsets.

progressCallback - Variable in class at.ofai.music.beatroot.AudioProcessor

GUI component which shows progress of audio processing.

ProgressIndicator - Interface in at.ofai.music.beatroot

Interface for callback functionality for implementing a progress bar

Q

quit() - Static method in class at.ofai.music.beatroot.BeatRoot

Open an exit dialog.

R

rangeThreshold - Static variable in class at.ofai.music.beatroot.AudioProcessor

For dynamic range compression, this value is added to the log magnitude in each frequency bin and any remaining negative values are then set to zero.

rawInputStream - Variable in class at.ofai.music.beatroot.AudioProcessor

Input data stream for this performance (possibly in compressed format)

read(byte[]) - Method in class at.ofai.music.beatroot.AudioFile

Reads some number of bytes from the audio input stream and stores them into the buffer array.

read() - Method in class at.ofai.music.beatroot.AudioFile

Reads a mono 16-bit audio file and returns the whole file as an int array

readBuffer - Variable in class at.ofai.music.beatroot.AudioPlayer

Audio input buffer for the current input file

readBuffer2 - Variable in class at.ofai.music.beatroot.AudioPlayer

A second audio input buffer used when crossfading between two audio files

readBufferSize - Static variable in class at.ofai.music.beatroot.AudioPlayer

The size of the buffer for reading audio input

reader - Variable in class at.ofai.music.beatroot.BeatRoot

For reading argsFile

readLine() - Method in class at.ofai.music.beatroot.AudioProcessor

For interactive pause - wait for user to hit Enter

reBuffer - Variable in class at.ofai.music.beatroot.AudioProcessor

The real part of the data for the in-place FFT computation.

redo() - Static method in class at.ofai.music.beatroot.EditAction

Redo the last EditAction which was just undone

REDO - Static variable in class at.ofai.music.beatroot.GUI

regionSelected - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

flag indicating whether a region is selected

remove(AgentList) - Method in class at.ofai.music.beatroot.AgentList

Removes the current item from the list.

removeBeat(double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Deletes a beat.

removeDuplicates() - Method in class at.ofai.music.beatroot.AgentList

Removes Agents from the list which are duplicates of other Agents.

removeSelectedBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Deletes the currently selected beat

reorderBeats() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

The current beat (pointed to by beatPtr) is moved to its correct place in the otherwise sorted list of beats.

repaintImage() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Updates the background image, after creating it if necessary

requestedFile - Variable in class at.ofai.music.beatroot.AudioPlayer

A new file that has been loaded to play next

requestedPosition - Variable in class at.ofai.music.beatroot.AudioPlayer

The requested playback position, in bytes, relative to the beginning of the file

run() - Method in class at.ofai.music.beatroot.AudioPlayer

Implements the Runnable interface for the audio playback thread.

S

sampleRate - Variable in class at.ofai.music.beatroot.AudioProcessor

Sample rate of audio in audioFormat

save() - Method in class at.ofai.music.beatroot.AudioPlayer

Saves audio with beats as a WAV file, with name determined by a file chooser dialog.

SAVE_AUDIO - Static variable in class at.ofai.music.beatroot.GUI

SAVE_BEATS - Static variable in class at.ofai.music.beatroot.GUI

saveBeatData() - Method in class at.ofai.music.beatroot.GUI

Saves beat data to a file chosen by a file save dialog.

scroll(int) - Method in class at.ofai.music.beatroot.GUI

Scroll the display by a given amount.

scrollDirection - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the direction of scrolling when dragging outside the displayed bounds

scroller - Variable in class at.ofai.music.beatroot.GUI

The scroller for showing or changing the position of the viewport relative to the whole audio file

scroller - Variable in class at.ofai.music.beatroot.ZoomListener

The scrollbar for selecting what part of the audio data is displayed

scrollPane - Variable in class at.ofai.music.beatroot.GUI

An intermediate level panel containing the displayPanel and scroller

scrollTo(double, boolean) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Updates the screen to show data for the current time, by scrolling and/or moving the cursor.

SEG1 - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

SEG2 - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

SEG3 - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

SEG4 - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

selectBeat(int, int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Selects the nearest beat to a given x-coordinate.

selectedBeat - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the current beat (in editing and annotation operations)

selectedBeatTime - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

time of selected beat (for undo)

selectFirstBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Selects the first beat

SELECTION_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the background colour of a selected region

selectLastBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Selects the last beat

selectNextBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Selects the beat after the currently selected beat

selectPreviousBeat() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Selects the beat before the currently selected beat

serialVersionUID - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

avoid compiler warning

serialVersionUID - Static variable in class at.ofai.music.beatroot.Chooser

serialVersionUID - Static variable in class at.ofai.music.beatroot.ControlPanel.ButtonPanel

serialVersionUID - Static variable in class at.ofai.music.beatroot.ControlPanel

serialVersionUID - Static variable in class at.ofai.music.beatroot.GUI

Avoid compiler warning

setAudioData(double[], double[], int[]) - Method in class at.ofai.music.beatroot.GUI

NOT USED: Sets the data for the amplitude envelope and onsets on the display.

setBeatData(EventList) - Method in class at.ofai.music.beatroot.GUI

Set the list of beats displayed on this window.

setBeats(EventList) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the list of beats.

setCurrentFile(AudioFile) - Method in class at.ofai.music.beatroot.AudioPlayer

Change the input file for audio playback (in a thread-safe way).

setDisplay(BeatTrackDisplay) - Method in class at.ofai.music.beatroot.AudioProcessor

Copies output of audio processing to the display panel.

setDisplay(BeatTrackDisplay) - Static method in class at.ofai.music.beatroot.EditAction

Set up a hook to the GUI's data panel for performing undo/redo

setEnvTimes(double[]) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the array of times of amplitude envelope points, for displaying.

setFraction(double) - Method in interface at.ofai.music.beatroot.ProgressIndicator

The processing method updates the progress indicator by calling this method.

setInputFile(String) - Method in class at.ofai.music.beatroot.AudioProcessor

Sets up the streams and buffers for audio file input.

setLiveInput() - Method in class at.ofai.music.beatroot.AudioProcessor

Sets up the streams and buffers for live audio input (CD quality).

setMagnitudes(int[]) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the array of magnitude values, for displaying.

setMetricalLevel(int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Marks the selected beat with all metrical levels up to and including x.

setMetricalLevels() - Method in class at.ofai.music.beatroot.GUI

Initialises the metrical levels dialog

setMidiData(double[], double[], int[]) - Method in class at.ofai.music.beatroot.GUI

NOT USED: Sets the data for a MIDI piano-roll display.

setMode(int, int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Changes the display mode (which elements are displayed on the panel).

setMode(int, boolean) - Method in class at.ofai.music.beatroot.GUI

Changes the display mode (which elements are displayed on the data panel).

setOffsets(double[]) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the array of offset times, for displaying MIDI input data.

setOnsetList(EventList) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the onset times as a list of Events, for use by the beat tracking methods.

setOnsets(double[]) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the array of onset times, for displaying MIDI or audio input data.

setPercussionSounds() - Method in class at.ofai.music.beatroot.GUI

Initialises the percussion sound dialog and sound buffers

setPitches(int[]) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the array of pitch values, for displaying MIDI input data.

setPosition(double) - Method in class at.ofai.music.beatroot.AudioFile

Moves the read pointer to the specified time in seconds.

setPosition(long) - Method in class at.ofai.music.beatroot.AudioFile

Moves the read pointer to the specified byte position.

setPosition(long) - Method in class at.ofai.music.beatroot.AudioPlayer

Changes the position and possibly the file for input data, and updates the GUI accordingly.

setPosition(long, boolean) - Method in class at.ofai.music.beatroot.AudioPlayer

Changes the position and possibly the file for input data.

setPreferences() - Method in class at.ofai.music.beatroot.GUI

Copies default values into preferences dialog.

setProgressCallback(ProgressIndicator) - Method in class at.ofai.music.beatroot.AudioProcessor

Adds a link to the GUI component which shows the progress of matching.

setSpectro(double[][], int, double, double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the data for the spectrogram.

setSpectroData(double[][], int, double, double) - Method in class at.ofai.music.beatroot.GUI

NOT USED Sets the data for displaying the spectrogram of the audio signal.

setValue(int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Scrolls the data so that the left edge of the panel corresponds to the given time.

setVisibleAmount(int) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Sets the length of audio that is visible at any one time (i.e.

SHOW_AUDIO - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_BEATS - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

Constants defining the various elements that can be displayed on the main data panel

SHOW_BEATS - Static variable in class at.ofai.music.beatroot.GUI

SHOW_DATA - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_IBI - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_IBIS - Static variable in class at.ofai.music.beatroot.GUI

SHOW_MIDI - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_ONSETS - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_SPECTRO - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

SHOW_SPECTRO - Static variable in class at.ofai.music.beatroot.GUI

SHOW_WAVE - Static variable in class at.ofai.music.beatroot.GUI

showTracking(EventList) - Method in class at.ofai.music.beatroot.Agent

Show detailed debugging output describing the beat tracking behaviour of this agent.

showTracking(EventList, double) - Method in class at.ofai.music.beatroot.Agent

Show detailed debugging output describing the beat tracking behaviour of this agent.

silenceThreshold - Static variable in class at.ofai.music.beatroot.AudioProcessor

RMS frame energy below this value results in the frame being set to zero, so that normalisation does not have undesired side-effects.

silent - Static variable in class at.ofai.music.beatroot.AudioProcessor

Flag for suppressing all standard output messages except results.

silentFlag - Variable in class at.ofai.music.beatroot.BeatRoot

Flag for suppressing messages to standard output

skip(double) - Method in class at.ofai.music.beatroot.AudioPlayer

Changes the playback position relative to the current playback position.

skip(long) - Method in class at.ofai.music.beatroot.AudioPlayer

Changes the playback position relative to the current playback position.

skipTo(double) - Method in class at.ofai.music.beatroot.GUI

Send a request to the audio player to skip to a given time if it is not playing

sndFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

sort() - Method in class at.ofai.music.beatroot.AgentList

Sorts the AgentList by increasing beatInterval, using a bubble sort since it is assumed that the list is almost sorted.

spectralFlux - Variable in class at.ofai.music.beatroot.AudioProcessor

Spectral flux onset detection function, indexed by frame.

spectro - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

spectrogram data

spectroLength - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

number of frames of valid spectrogram data

startNanoTime - Variable in class at.ofai.music.beatroot.AudioPlayer

The time that the audio playback last started, in nanoseconds

startSelection - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

beginning of selected data region

startTime - Variable in class at.ofai.music.beatroot.AudioPlayer

The time in the playback file where the audio playback last started

stdIn - Variable in class at.ofai.music.beatroot.AudioProcessor

Standard input for interactive prompts (for debugging).

stop(boolean) - Method in class at.ofai.music.beatroot.AudioPlayer

Notifies play thread to stop playing.

stop() - Method in class at.ofai.music.beatroot.AudioPlayer

Notifies play thread to stop playing or reset position if not playing.

STOP - Static variable in class at.ofai.music.beatroot.GUI

stopRequested - Variable in class at.ofai.music.beatroot.AudioPlayer

A flag indicating to the play thread that playing should stop

stringToArgs(String) - Static method in class at.ofai.music.beatroot.BeatRoot

suffix - Variable in class at.ofai.music.beatroot.FileFilters

The extension corresponding to this file type

T

tempoScore - Variable in class at.ofai.music.beatroot.Agent

To be used in real-time version??

TEXT_COLOUR - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

the colour of the text (for IBIs and axes)

textFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

textOutputFile - Variable in class at.ofai.music.beatroot.BeatRoot

Output file name for saving the beat times in text format, one to a line

thresholdBI - Static variable in class at.ofai.music.beatroot.AgentList

For the purpose of removing duplicate agents, the JND of IBI.

thresholdBT - Static variable in class at.ofai.music.beatroot.AgentList

For the purpose of removing duplicate agents, the JND of phase.

timeToLocation(double) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Finds the x-coordinate corresponding to the given time.

tInc - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

time interval between frames of spectrogram data (hop time)

title - Static variable in class at.ofai.music.beatroot.GUI

Name of program - displayed as part of window title

tmfFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

to - Variable in class at.ofai.music.beatroot.EditAction

The new position of a beat, after editing took place.

toggleAnnotateMode() - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Turns keyboard annotation of metrical levels on and off

togglePlay() - Method in class at.ofai.music.beatroot.AudioPlayer

Notifies the play thread to pause if playing or play if paused/stopped.

top(int) - Static method in class at.ofai.music.beatroot.Induction

For variable cluster widths in newInduction().

topN - Static variable in class at.ofai.music.beatroot.Induction

The maximum number of tempo hypotheses to return

topScoreTime - Variable in class at.ofai.music.beatroot.Agent

How long has this agent been the best? For real-time version; otherwise not used.

toString() - Method in class at.ofai.music.beatroot.AudioFile

Returns a String representation of the audio file, consisting of path name, length and frame size.

toString() - Method in class at.ofai.music.beatroot.AudioProcessor

Gives some basic information about the audio being processed.

totalFrames - Variable in class at.ofai.music.beatroot.AudioProcessor

Total number of audio frames if known, or -1 for live or compressed input.

TRACK - Static variable in class at.ofai.music.beatroot.GUI

Constants defining metrical levels (see at.ofai.music.worm.WormFile)

U

underlyingStream - Variable in class at.ofai.music.beatroot.AudioFile

The raw stream from which data is read

undo() - Static method in class at.ofai.music.beatroot.EditAction

Undo the last EditAction

UNDO - Static variable in class at.ofai.music.beatroot.GUI

UNKNOWN - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

Constant representing an unknown relationship between metrical levels

update(Graphics) - Method in class at.ofai.music.beatroot.BeatTrackDisplay

Don't clear before repainting

updateDisplay(boolean) - Method in class at.ofai.music.beatroot.GUI

Redraws the data panel when new data is loaded or the mode or preferences are changed.

useAnnotation - Variable in class at.ofai.music.beatroot.BeatRoot

For beat tracking with the first n notes given, this is the value of n.

useAverageSalience - Static variable in class at.ofai.music.beatroot.AgentList

Flag for choice between sum and average beat salience values for Agent scores.

usePScore - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

For evaluation, select whether to use the P-score or T-score

useRelativeError - Static variable in class at.ofai.music.beatroot.BeatTrackDisplay

For evaluation of beat tracking results, indicates whether allowedError is interpreted as absolute (in seconds) or relative (0-1).

V

valueField - Variable in class at.ofai.music.beatroot.ZoomListener

An editable text field containing the length (in seconds) of visible audio data

version - Static variable in class at.ofai.music.beatroot.GUI

Version number of program - displayed as part of window title.

visibleTimeLength - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the duration of the visible audio data (seconds)

visibleTimeStart - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

the time corresponding to the leftmost point on the panel (seconds)

volume - Static variable in class at.ofai.music.beatroot.AudioPlayer

The relative volume of percussion (for the click track) relative to the input audio

W

warning(String) - Static method in class at.ofai.music.beatroot.BeatRoot

Print a warning message.

waveFileFilter - Static variable in class at.ofai.music.beatroot.FileFilters

weightedPhaseDeviation() - Method in class at.ofai.music.beatroot.AudioProcessor

Calculates the weighted phase deviation onset detection function.

window - Variable in class at.ofai.music.beatroot.AudioProcessor

The window function for the STFT, currently a Hamming window.

X

x0 - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

x-coordinate corresponding to time t = 0 (could be off-screen)

xSize - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

width in pixels of this panel

Y

yBottom - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

y-coordinate of bottom of data area (position of x-axis)

yMid - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

y-coordinate of the bottom of the spectrogram and top of the amplitude envelope area

ySize - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

height in pixels of this panel

yTop - Variable in class at.ofai.music.beatroot.BeatTrackDisplay

y-coordinate of top of data area

Z

ZoomListener - Class in at.ofai.music.beatroot

A listener class for notifying the GUI's main panel about changes in the zoom level.

ZoomListener(BeatTrackDisplay, JScrollBar, JTextField) - Constructor for class at.ofai.music.beatroot.ZoomListener

Constructor:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z