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rt
一般说来Speech指的是人的声音频谱范围:20~20K,通常数字采样频率以8K,16K为主,主要应用与通讯领域,编码方式G.711,G.729,EVRC等,audio 一般泛指包括音乐,语音在内的声音,频谱范围较广,采用率在44.1K及以上,编码方式有AAC, MP3等。
非常感谢,我也郁闷了好久。