求教用matlab如何录音,去噪,端点检测。。。求高手答:MATLAB中实现阈值获取的函数有ddencmp、thselect、wbmpen和wwdcbm,下面对它们的用法进行简单的说明。ddencmp的调用格式有以下三种:(1)[THR,SORH,KEEPAPP,CRIT]=ddencmp(IN1,IN2,X)(2)[THR,SORH,KEEPAPP,CRIT]=ddencmp(IN1,'wp',X)(3)[THR,SORH,KEEPAPP,CRIT]=ddencmp(IN1,'wv',X)函数...