PCM文件,这个名字听起来可能有点陌生。其实,PCM是“脉冲编码调制”(Pulse Code Modulation)的缩写,是一种无损的音频数据格式。PCM文件通常是以WAV、AIFF等格式储存的音频文件,它们保存了音频的原始波形数据。说白了,PCM文件就是一种存储音频数据的方式 ...
Abstract: A novel signal quantization scheme based on adaptive differential pulse code modulation (ADPCM) is proposed and experimentally demonstrated. By adaptively adjusting the quantization step ...