[{"title":"( 9 个子文件 11.04MB ) 数字信号处理之处理语音信号","children":[{"title":"语音信号","children":[{"title":"high.mp3 <span style='color:#111;'> 298.49KB </span>","children":null,"spread":false},{"title":"musicread.m <span style='color:#111;'> 1.80KB </span>","children":null,"spread":false},{"title":"high4.mp4 <span style='color:#111;'> 307.20KB </span>","children":null,"spread":false},{"title":"high0.mp4 <span style='color:#111;'> 307.04KB </span>","children":null,"spread":false},{"title":"low0.mp4 <span style='color:#111;'> 307.13KB </span>","children":null,"spread":false},{"title":"high1.mp4 <span style='color:#111;'> 306.21KB </span>","children":null,"spread":false},{"title":"high3.mp4 <span style='color:#111;'> 305.06KB </span>","children":null,"spread":false},{"title":"low.mp3 <span style='color:#111;'> 9.18MB </span>","children":null,"spread":false},{"title":"high2.mp4 <span style='color:#111;'> 304.39KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]