soundfunc.py 文件源码

def conv_from_dct(blocks, in_blocksize, out_blocksize):
    new_blocks=[]
    zeropad = [0]*(out_blocksize-in_blocksize)
    dct_pred = blocks
    dct_pred = np.append(dct_pred, zeropad)
    dct_pred = np.asarray(idct(dct_pred, norm='ortho'), dtype=np.float32)
    new_blocks.append(dct_pred)
    return new_blocks