2 Commits

Author	SHA1	Message	Date
Yoach Lacombe	9a30753485	Porting the torchaudio kaldi fbank implementation to audio_utils (#26182) ... * add kaldi fbank * make style * add herz_to_mel_kaldi tests * add mel to hertz kaldi test * integration tests * correct test and remove comment * make style * Apply suggestions from code review Co-authored-by: Sanchit Gandhi <93869735+sanchit-gandhi@users.noreply.github.com> * change parameter name * Apply suggestions from Arthur review Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com> * Update remove_dc_offset description * fix bug + make style * fix error in using np.exp instead of np.power * make style --------- Co-authored-by: Sanchit Gandhi <93869735+sanchit-gandhi@users.noreply.github.com> Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>	2023-09-21 17:52:47 +02:00
Matthijs Hollemans	7f91950901	audio_utils improvements (#21998) ... * silly change to allow making a PR * clean up doc comments * simplify hertz_to_mel and mel_to_hertz * fixup * clean up power_to_db * also add amplitude_to_db * move functions * clean up mel_filter_bank * fixup * credit librosa & torchaudio authors * add unit tests * tests for power_to_db and amplitude_to_db * add mel_filter_bank tests * rewrite STFT * add convenience spectrogram function * missing transpose * fewer transposes * add integration test to M-CTC-T * frame length can be either window or FFT length * rewrite stft API * add preemphasis coefficient * move argument * add log option to spectrogram * replace M-CTC-T feature extractor * fix api thing * replace whisper STFT * replace whisper mel filters * replace tvlt's stft * allow alternate window names * replace speecht5 stft * fixup * fix integration tests * fix doc comments * remove manual FFT length calculation * fix docs * go away, deprecation warnings * combine everything into spectrogram function * add deprecated functions back * fixup	2023-05-09 09:10:17 -04:00