音频编码技术与标准介绍包括语音编码技术和音频编码技术 􀁺 PCM、ADPCM、SB-ADPCM、线性预测、CELP、ACELP 􀁺 心理声学模型、时频变换、窗切换、时域噪声整形、带宽扩展、立体声编 码、空间音频编码-Audio coding technology and standards introduced, including voice coding techniques, and audio coding technology ⣶

传输ADPCM语音，将文件转化成pcm的文件，压缩解压之后，再播放-Transmission ADPCM speech, will file into PCM, compression decompression, play again