org.openimaj.audio.timecode

Class MeasuresBeatsTicksTimecode

java.lang.Object

org.openimaj.audio.timecode.AudioTimecode

org.openimaj.audio.timecode.MeasuresBeatsTicksTimecode

All Implemented Interfaces:

Timecode

public class MeasuresBeatsTicksTimecode
extends AudioTimecode

A standard MIDI-timecode that uses measures, beats and ticks. A beat is determined by the BPM of the track, while ticks is a given subdivision of a beat. Measures is based on the meter of the track.

Author:

David Dupplaw (dpd@ecs.soton.ac.uk)

Created:

28 Nov 2011

Field Summary

Fields

Modifier and Type	Field and Description
int	beatsPerMeasure Most western music is in four-time
float	bpm Number of beats per minute
int	ticksPerBeat Standard MIDI is generally 120 ticks per beat

Fields inherited from class org.openimaj.audio.timecode.AudioTimecode

milliseconds

Constructor Summary

Constructors

Constructor and Description
MeasuresBeatsTicksTimecode(float bpm) Sets up a 4-time, 120 tick MBT timecode.
MeasuresBeatsTicksTimecode(float bpm, long measures, int beats, int ticks) Create a specific timecode.
MeasuresBeatsTicksTimecode(float bpm, long measures, int beats, int ticks, int beatsPerMeasure) Create a specific timecode in a different time signature.

Method Summary

Modifier and Type	Method and Description
int	getBeats() Returns the number of beats.
long	getMeasures() Returns the number of measures.
int	getTicks() Returns the number of ticks in the current beat.
String	toString()

Methods inherited from class org.openimaj.audio.timecode.AudioTimecode

clone, getTimecodeInMilliseconds, setTimecodeInMilliseconds

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

beatsPerMeasure

public int beatsPerMeasure

Most western music is in four-time

ticksPerBeat

public int ticksPerBeat

Standard MIDI is generally 120 ticks per beat

bpm

public float bpm

Number of beats per minute

Constructor Detail

MeasuresBeatsTicksTimecode

public MeasuresBeatsTicksTimecode(float bpm)

Sets up a 4-time, 120 tick MBT timecode.

Parameters:

bpm -

MeasuresBeatsTicksTimecode

public MeasuresBeatsTicksTimecode(float bpm,
                                  long measures,
                                  int beats,
                                  int ticks)

Create a specific timecode.

Parameters:

bpm - The number of beats per minute

measures - The number of measures

beats - The number of beats

ticks - The number of ticks

MeasuresBeatsTicksTimecode

public MeasuresBeatsTicksTimecode(float bpm,
                                  long measures,
                                  int beats,
                                  int ticks,
                                  int beatsPerMeasure)

Create a specific timecode in a different time signature.

Parameters:

bpm - The number of beats per minute

measures - The number of measures

beats - The number of beats

ticks - The number of ticks

beatsPerMeasure - The number of beats in a measure

Method Detail

getMeasures

public long getMeasures()

Returns the number of measures.

Returns:

The number of measures.

getBeats

public int getBeats()

Returns the number of beats.

Returns:

The number of beats.

getTicks

public int getTicks()

Returns the number of ticks in the current beat.

Returns:

The number of ticks in the current beat.

toString

public String toString()

Overrides:

toString in class AudioTimecode

See Also:

AudioTimecode.toString()