mindspore/docs/api/api_python/dataset_audio/mindspore.dataset.audio.Dee...

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mindspore.dataset.audio.DeemphBiquad
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.. py:class:: mindspore.dataset.audio.DeemphBiquad(sample_rate)
为(..., time形状的音频波形施加双极点去声滤波器。
参数:
- **sample_rate** (int) - 采样频率单位Hz值必须为44100或48000。
异常:
- **RuntimeError** - 当输入音频的shape不为<..., time>。