SciLib.SP
Class Sound

java.lang.Object
  SciLib.SP.Sound

Direct Known Subclasses:

Audio, Wave

public class Sound
extends java.lang.Object

This class contains some useful methods to handle Sound file.

Field Summary

protected vector	audioData
protected sun.audio.AudioDataStream	audioDataStream
protected byteVector	byteSignal
protected int	sampleRate

Constructor Summary

Sound()
Make an empty Sound object

Sound(byte[] s)
Make an Sound object from a signal array s

Sound(byteVector s)
Make an Sound object from a signal vector s

Sound(double[] s)
Make an Sound object from a signal array s

Sound(vector s)
Make an Sound object from a signal vector s

Method Summary

double	duration() compute the duration
vector	getAudioData() get the whole audio Data
vector	getAudioData(int n) get n point audio Data from the beginning
vector	getAudioData(int i, int j) get audio Data from index i to index j
byteVector	getByteData() get audio Data
int	getSampleRate() get sample rate
double	max() compute the maximum signal
double	min() compute the minimum signal
void	normalize() normalize the audio signal
void	play() Plays the audio data synchronously, i.e. it blocks the thread it is being called from.
int	size() get the size of the audio signal
void	stop() Stop playing

Methods inherited from class java.lang.Object

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

Field Detail

byteSignal

protected byteVector byteSignal

sampleRate

protected int sampleRate

audioData

protected vector audioData

audioDataStream

protected sun.audio.AudioDataStream audioDataStream

Constructor Detail

Sound

public Sound()

Make an empty Sound object

Sound

public Sound(byteVector s)

Make an Sound object from a signal vector s

Parameters:

s - A vector that contains the audio signal

Sound

public Sound(byte[] s)

Make an Sound object from a signal array s

Parameters:

s - An array that contains the audio signal

Sound

public Sound(double[] s)

Make an Sound object from a signal array s

Parameters:

s - An array that contains the audio signal

Sound

public Sound(vector s)

Make an Sound object from a signal vector s

Parameters:

s - A vector that contains the audio signal

Method Detail

getByteData

public byteVector getByteData()

get audio Data

Returns:

A byteVector

getAudioData

public vector getAudioData(int i,
                           int j)

get audio Data from index i to index j

Parameters:

i - the start index

j - the stop index

Returns:

A vector

getAudioData

public vector getAudioData(int n)

get n point audio Data from the beginning

Parameters:

n - the number of data points

Returns:

A vector

getAudioData

public vector getAudioData()

get the whole audio Data

Returns:

A vector

getSampleRate

public int getSampleRate()

get sample rate

Returns:

An integer value

size

public int size()

get the size of the audio signal

Returns:

An integer value

duration

public double duration()

compute the duration

Returns:

A double value

min

public double min()

compute the minimum signal

Returns:

A double value

max

public double max()

compute the maximum signal

Returns:

A double value

normalize

public void normalize()

normalize the audio signal

play

public void play()

Plays the audio data synchronously, i.e. it blocks the thread it is being called from.

stop

public void stop()

Stop playing