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此模块用于音频数据增强，包括 `transforms` 和 `utils` 两个子模块。
`transforms` 是一个高性能音频数据增强模块，支持常见的音频数据增强操作。
`utils` 提供了一些音频处理的工具方法。
API样例中常用的导入模块如下：
..code-block::
import mindspore.dataset as ds
import mindspore.dataset.audio.transforms as audio