Package toxi.audio

Class DecompressInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

toxi.audio.DecompressInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class DecompressInputStream
extends FilterInputStream

Convert A-Law or u-Law byte stream into mono PCM byte stream

static AudioFormat alawformat= new AudioFormat(AudioFormat.Encoding.ALAW,8000,8,1,1,8000,false); static AudioFormat ulawformat= new AudioFormat(AudioFormat.Encoding.ULAW,8000,8,1,1,8000,false);

PCM 8000.0 Hz, 16 bit, mono, SIGNED, little-endian

static AudioFormat pcmformat = new AudioFormat(8000,16,1,true,false);

From: Mathematical Tools in Signal Processing with C++ and Java Simulations by Willi-Hans Steeb International School for Scientific Computing

Constructor Summary

Constructors

Constructor	Description
DecompressInputStream(InputStream in, boolean useALaw)

Method Summary

Modifier and Type	Method	Description
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, reset, skip

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

DecompressInputStream

public DecompressInputStream(InputStream in,
 boolean useALaw)
                      throws IOException

Throws:

IOException

Method Details

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException