[{"title":"( 5 个子文件 5KB ) 语音信号处理:短时过零率,语音分帧,短时功率密度谱,短时能量,小波去噪","children":[{"title":"小波去噪.m <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"声信号短时功率谱.m <span style='color:#111;'> 1.14KB </span>","children":null,"spread":false},{"title":"声信号短时能量.m <span style='color:#111;'> 1.85KB </span>","children":null,"spread":false},{"title":"声信号短时过零率.m <span style='color:#111;'> 1.58KB </span>","children":null,"spread":false},{"title":"声信号分帧.m <span style='color:#111;'> 784B </span>","children":null,"spread":false}],"spread":true}]