包括对ITU-T G.719语音压缩算法的说明文档、对性能优化后的编码和解码C程序，以及对算法性能进行测试的语音片段-Including the ITU-T G.719 voice compression algorithm documentation, performance optimized C code for encoding and decoding procedures, and test the performance of the algorithm of voice clip

调试通过的G719源码，里面还包含了测试音频片段。-Debug through G719 source, it also contains the test audio clips.