单片机控制语音压缩芯片（声码器）AMBE1000，实现低码率语音通信-Single-chip voice compression chip control (vocoder) AMBE1000, achieve low bit rate voice communications

ADPCM与PCM的编解码程序，效果不错，压缩率有待提高。感兴趣可以试一下-ADPCM and PCM encoding and decoding procedures, the effect is good, the compression ratio to be improved. Interested can try