silk-v3-decoder 实现silk和pcm相互转码
liblame pcm编码成mp3
libmad mp3解码成pcm
silk->pcm->mp3
mp3->pcm->silk
implementation 'com.fulongbin.silk_v3_decoder:decoder:0.9.11'
Silk.convertSilkToMp3(silkSrc,mp3Dst,rate);
Silk.convertMp3ToSilk(mp3Src,silkDst,rate);