noise_reduction_with_ms.py 文件源码

def read(fname,winsize):
    if fname =="-":
        wf=wave.open(sys.stdin,'rb')
        n=wf.getnframes()
        str=wf.readframes(n)
        params = ((wf.getnchannels(), wf.getsampwidth(),
                   wf.getframerate(), wf.getnframes(),
                   wf.getcomptype(), wf.getcompname()))
        siglen=((int )(len(str)/2/winsize) + 1) * winsize
        signal=sp.zeros(siglen, sp.float32)
        signal[0:len(str)/2] = sp.float32(sp.fromstring(str,sp.int16))/32767.0
        return signal,params
    else:
        return read_signal(fname,winsize)