SUN的ADPCM压缩解压程序,包括G.721,G.723,其中G.723又包括16bit,24bit,40bit的压缩解压-Sun ADPCM compression decompression procedures, including G.721, G.723, G.723 also includes 16bit, 24bit, 40bit compression decompression

The Audio File Library provides a uniform programming interface to standard digital audio file formats. This library allows the processing of audio data to and from audio files of many common formats (currently AIFF, AIFF-C, WAVE, NeXT/Sun

The files in this directory comprise ANSI-C language reference implementations of the CCITT (International Telegraph and Telephone Consultative Committee) G.711, G.721 and G.723 voice compressions. They have been tested on Sun SPARCstations and