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batdetect2/docs/source/reference/configs/data/preprocessing-config.md
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Preprocessing config reference

This page summarizes preprocessing-related config objects used by batdetect2.

Audio loader config (AudioConfig)

Defined in batdetect2.audio.loader.

Fields:

  • samplerate (int): target audio sample rate in Hz.
  • resample.enabled (bool): whether to resample loaded audio.
  • resample.method (poly or fourier): resampling method.

Model preprocessing config (PreprocessingConfig)

Defined in batdetect2.preprocess.config.

Top-level fields:

  • audio_transforms: ordered waveform transforms.
  • stft: STFT parameters.
  • frequencies: spectrogram frequency range.
  • spectrogram_transforms: ordered spectrogram transforms.
  • size: final resize settings.

audio_transforms built-ins

  • center_audio
  • scale_audio
  • fix_duration (duration in seconds)

stft fields

  • window_duration
  • window_overlap
  • window_fn

frequencies fields

  • min_freq
  • max_freq

spectrogram_transforms built-ins

  • pcen
  • scale_amplitude (scale: db|power)
  • spectral_mean_subtraction
  • peak_normalize

size fields

  • height
  • resize_factor

Related pages

  • Audio preprocessing how-to: {doc}../../../how_to/data/configure-audio-preprocessing
  • Spectrogram preprocessing how-to: {doc}../../../how_to/data/configure-spectrogram-preprocessing
  • Why consistency matters: {doc}../../../explanation/preprocessing-consistency