core.spectrogram

Spectrogram computation and persistence helpers.

SpectrogramResult

Typed spectrogram result container.

Fields

• kind
• values
• freqs
• times

compute_spectrogram

Compute a spectrogram from waveform and settings.

Signature

compute_spectrogram(audio, sr, settings) -> SpectrogramResult

Supported types

• stft
• mel
• cqt

normalize_spectrogram_settings

Merge and validate spectrogram settings.

Signature

normalize_spectrogram_settings(settings) -> dict

save_spectrogram

Persist a computed spectrogram to compressed npz.

Signature

save_spectrogram(path, result, settings)

load_spectrogram

Load persisted spectrogram artifact and settings.

Signature

load_spectrogram(path) -> (SpectrogramResult, settings)

Constants

• SPECTROGRAM_TYPES
• DEFAULT_SPECTROGRAM_SETTINGS