[{"title":"( 3 个子文件 2KB ) 通信原理PCM编译码仿真","children":[{"title":"PCM","children":[{"title":"pcm.m <span style='color:#111;'> 793B </span>","children":null,"spread":false},{"title":"pcm_encode.m <span style='color:#111;'> 1.39KB </span>","children":null,"spread":false},{"title":"pcm_decode.m <span style='color:#111;'> 820B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]