speex4j

Purpose

Provide a speex encoder and decoder in Java.

Notice

• Using the the way that in speex sample (sampleenc.c / sampledec.c) to encode and decode
• 16 bits per sample

Usage

<dependency>
    <groupId>com.orctom</groupId>
    <artifactId>speex4j</artifactId>
    <version>1.0</version>
</dependency>

try (SpeexEncoder encoder = new SpeexEncoder()) {
  byte[] pcm = ...
  byte[] spx = encoder.encode(pcm);
}

try (SpeexDecoder decoder = new SpeexDecoder()) {
  byte[] spx = ...
  byte[] pcm = encoder.encode(spx);
}

Change log

1.0.3

• Renamed share lib name, so you don't have to have the libspeex.so/libspeex.dylib deleted from your LD_LIBRARY_PATH.
• Fixed pcm2wav issue in SpeexUtils.

1.0.2

• Added safety check for close method.

1.0.2

• Added safety check for close method.

1.0.1

• Added SpeexUtils to convert between pcm and wav.

1.0

• Speex encoder and decoder with fixed frame size of 320.
• Changed static methods to prototypes.
• Changed to use JNA.

0.0.1

• Decode spx with hard-coded wide-band and frame size of 320