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

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mindspore.dataset.audio.DCShift
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.. py:class:: mindspore.dataset.audio.DCShift(shift, limiter_gain=None)
对输入音频波形施加直流移位。可以从音频中删除直流偏移DC Offset
参数:
- **shift** (float) - 音频的移位量,值必须在[-2.0, 2.0]范围内。
- **limiter_gain** (float, 可选) - 防止截断仅在波峰生效。值应远小于1如0.05或0.02。