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transformers/docs/source/zh/internal/audio_utils.md

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+#  `FeatureExtractors`的工具
+
+此页面列出了音频 [`FeatureExtractor`] 可以使用的所有实用函数，以便使用常见的算法（如 *Short Time Fourier Transform* 或 *log mel spectrogram*）从原始音频中计算特殊特征。
+
+其中大多数仅在您研究库中音频processors的代码时有用。
+
+
+## 音频转换
+
+[[autodoc]] audio_utils.hertz_to_mel
+
+[[autodoc]] audio_utils.mel_to_hertz
+
+[[autodoc]] audio_utils.mel_filter_bank
+
+[[autodoc]] audio_utils.optimal_fft_length
+
+[[autodoc]] audio_utils.window_function
+
+[[autodoc]] audio_utils.spectrogram
+
+[[autodoc]] audio_utils.power_to_db
+
+[[autodoc]] audio_utils.amplitude_to_db