thinkdsp.py 文件源码

def Sinc(freq=440, amp=1.0, offset=0):
    """Makes a Sinc function.

    freq: float frequency in Hz
    amp: float amplitude, 1.0 is nominal max
    offset: float phase offset in radians

    returns: Sinusoid object
    """
    return Sinusoid(freq, amp, offset, func=np.sinc)