downsample_dense.py 文件源码

def downsample_utterance(features, seglist, n):
    """
    Return the downsampled matrix with each row an embedding for a segment in
    the seglist.
    """
    embeddings = []
    for i, j in seglist:
        y = features[i:j+1, :].T
        y_new = signal.resample(y, n, axis=1).flatten("C")
        embeddings.append(y_new)
    return np.asarray(embeddings)


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