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73 lines
1.4 KiB
Markdown
73 lines
1.4 KiB
Markdown
# Preprocessing config reference
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This page summarizes preprocessing-related config objects used by batdetect2.
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## Audio loader config (`AudioConfig`)
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Defined in `batdetect2.audio.loader`.
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Fields:
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- `samplerate` (int):
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target audio sample rate in Hz.
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- `resample.enabled` (bool):
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whether to resample loaded audio.
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- `resample.method` (`poly` or `fourier`):
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resampling method.
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## Model preprocessing config (`PreprocessingConfig`)
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Defined in `batdetect2.preprocess.config`.
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Top-level fields:
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- `audio_transforms`:
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ordered waveform transforms.
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- `stft`:
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STFT parameters.
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- `frequencies`:
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spectrogram frequency range.
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- `spectrogram_transforms`:
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ordered spectrogram transforms.
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- `size`:
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final resize settings.
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### `audio_transforms` built-ins
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- `center_audio`
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- `scale_audio`
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- `fix_duration` (`duration` in seconds)
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### `stft` fields
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- `window_duration`
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- `window_overlap`
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- `window_fn`
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### `frequencies` fields
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- `min_freq`
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- `max_freq`
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### `spectrogram_transforms` built-ins
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- `pcen`
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- `scale_amplitude` (`scale:
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db|power`)
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- `spectral_mean_subtraction`
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- `peak_normalize`
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### `size` fields
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- `height`
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- `resize_factor`
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## Related pages
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- Audio preprocessing how-to:
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{doc}`../../../how_to/data/configure-audio-preprocessing`
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- Spectrogram preprocessing how-to:
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{doc}`../../../how_to/data/configure-spectrogram-preprocessing`
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- Why consistency matters:
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{doc}`../../../explanation/preprocessing-consistency`
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