g711u g711a 格式相互轉換

pcm to g711編碼，資料不少，這裏只說一下g711u轉換爲g711a的方法，很簡單，以下：函數 unsigned char * ulawtoalaw(unsigned char * ulawbuffer,int len) { unsigned char * ulaw = ulawbuffer; unsigned char * alaw = new unsigned char[len]; i

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