function pitchwatch(x,Ts) Plot the pitch keys. pitchwatch(x,[Ts]) :: Syntax The array x is the input signal and Ts is the (optional) sampling period. Example on use: [x,Fs] = wavread( Hum.wav ) pitchwatch(x,1/Fs) :: Inf

可以將WAV檔的資訊取出，並且能由TXT檔自創WAV檔，顯示聲音資訊，包含取樣頻率，長度，波形...等等之類-WAV files of information can be removed, and can create their own WAV files from the TXT file, display the sound information, including sampling frequency, length, wave ... and so forth and the l