glaciall/acodec

A Java Audio Codec for G711A/G711U/ADPCM

acodec

A Java Audio Codec for G711A/G711U/ADPCM. Pure java implements, no any other 3rd-party library required.

Audio Codec

Codec	Support?
ADPCM	Y
G711A (alaw)	Y
G711U (ulaw)	Y
G726	N

Maven

<dependency>
  <groupId>cn.org.hentai</groupId>
  <artifactId>acodec</artifactId>
  <version>1.0.0</version>
</dependency>

Example

class Test
{
    public static void main(String[] args) throws Exception
    {
        // create AudioCodec instance by name
        AudioCodec codec = CodecFactory.getCodec("adpcm");
        
        // prepare some encodec adpcm data
        byte[] rawADPCMData;
        
        // decode adpcm to pcm
        byte[] pcmData = codec.toPCM(rawADPCMData);
        
        // encode pcm to adpcm
        byte[] adpcmData = codec.fromPCM(pcmData);
    }
}