* Add initial implementation of `spectrogram_batch`
* Format the initial implementation
* Add test suite for the `spectrogram_batch`
* Update `spectrogram_batch` to ensure compatibility with test suite
* Update `spectrogram_batch` to include pre and post-processing
* Add `amplitude_to_db_batch` function and associated tests
* Add `power_to_db_batch` function and associated tests
* Reimplement the test suite for `spectrogram_batch`
* Fix errors in `spectrogram_batch`
* Add the function annotation for `spectrogram_batch`
* Address code quality
* Re-add `test_chroma_equivalence` function
* Update src/transformers/audio_utils.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
* Update src/transformers/audio_utils.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
---------
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>