to record a sound in wav format and play it

将背景音乐（交响乐）中的摩斯电码找出并分离出来-morse_code_sound.wav is a mono (1-channel) 11,025 samples per sec, 16-bits per sample, WAV file. There is a morse code signal within the audio file, you should be able to hear it in the background, but it is not very audible (

matlab语音批量读取，能批量读取指定文件夹的语音。-get voice in matlab.It can get a list of .wav sound.