spectrogram
Render a mel spectrogram PNG from WAV or FLAC to visually inspect harmonic content, sweeps, or silence. Use when a numeric probe is insufficient.
Instructions
Render a mel spectrogram PNG (or a tiled contact sheet covering the whole file) from a WAV or FLAC file, for visual inspection of harmonic content, sweeps, or silence. Use this when a numeric probe report isn't enough and you want to look at the audio.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| sheet | No | Tile the piece into a contact sheet instead of one long strip — useful for reviewing a whole piece in one vision call. Default false. | |
| out_path | Yes | Where to write the output PNG. | |
| audio_path | Yes | Path to the input WAV or FLAC. | |
| bars_per_tile | No | Time sections per tile when sheet is true. Default 8. |