dataset.py 文件源码

python
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项目:sampleRNN_ICLR2017 作者: soroushmehr 项目源码 文件源码
def __linear_quantize(data, q_levels):
    """
    floats in (0, 1) to ints in [0, q_levels-1]
    scales normalized across axis 1
    """
    # Normalization is on mini-batch not whole file
    #eps = numpy.float64(1e-5)
    #data -= data.min(axis=1)[:, None]
    #data *= ((q_levels - eps) / data.max(axis=1)[:, None])
    #data += eps/2
    #data = data.astype('int32')

    eps = numpy.float64(1e-5)
    data *= (q_levels - eps)
    data += eps/2
    data = data.astype('int32')
    return data
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