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Utilities for FeatureExtractors

This page lists all the utility functions that can be used by the audio [FeatureExtractor] in order to compute special features from a raw audio using common algorithms such as Short Time Fourier Transform or log mel spectrogram.

Most of those are only useful if you are studying the code of the audio processors in the library.

Audio Transformations

[[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