hermes-agent/skills/media/songsee/SKILL.md
Teknium e3921e7ca4 docs(skills): compress 74 built-in skill descriptions to <=60 chars
Target: every skill's description fits in a one-line gateway menu and
leads with trigger keywords an agent would match on. Drops filler like
'Use this skill to', 'A skill for', 'This skill provides'.

Before: max description length was 791 chars (architecture-diagram),
74 of 81 built-in skills were >60 chars.

After: max 60, mean 54, all 81 built-in skills <=60.

Rewritten with double-quoted YAML scalars to preserve Chinese/arrow
glyphs (baoyu-comic, yuanbao, youtube-content).
2026-04-26 21:50:56 -07:00

82 lines
2.2 KiB
Markdown

---
name: songsee
description: "Audio spectrograms/features (mel, chroma, MFCC) via CLI."
version: 1.0.0
author: community
license: MIT
metadata:
hermes:
tags: [Audio, Visualization, Spectrogram, Music, Analysis]
homepage: https://github.com/steipete/songsee
prerequisites:
commands: [songsee]
---
# songsee
Generate spectrograms and multi-panel audio feature visualizations from audio files.
## Prerequisites
Requires [Go](https://go.dev/doc/install):
```bash
go install github.com/steipete/songsee/cmd/songsee@latest
```
Optional: `ffmpeg` for formats beyond WAV/MP3.
## Quick Start
```bash
# Basic spectrogram
songsee track.mp3
# Save to specific file
songsee track.mp3 -o spectrogram.png
# Multi-panel visualization grid
songsee track.mp3 --viz spectrogram,mel,chroma,hpss,selfsim,loudness,tempogram,mfcc,flux
# Time slice (start at 12.5s, 8s duration)
songsee track.mp3 --start 12.5 --duration 8 -o slice.jpg
# From stdin
cat track.mp3 | songsee - --format png -o out.png
```
## Visualization Types
Use `--viz` with comma-separated values:
| Type | Description |
|------|-------------|
| `spectrogram` | Standard frequency spectrogram |
| `mel` | Mel-scaled spectrogram |
| `chroma` | Pitch class distribution |
| `hpss` | Harmonic/percussive separation |
| `selfsim` | Self-similarity matrix |
| `loudness` | Loudness over time |
| `tempogram` | Tempo estimation |
| `mfcc` | Mel-frequency cepstral coefficients |
| `flux` | Spectral flux (onset detection) |
Multiple `--viz` types render as a grid in a single image.
## Common Flags
| Flag | Description |
|------|-------------|
| `--viz` | Visualization types (comma-separated) |
| `--style` | Color palette: `classic`, `magma`, `inferno`, `viridis`, `gray` |
| `--width` / `--height` | Output image dimensions |
| `--window` / `--hop` | FFT window and hop size |
| `--min-freq` / `--max-freq` | Frequency range filter |
| `--start` / `--duration` | Time slice of the audio |
| `--format` | Output format: `jpg` or `png` |
| `-o` | Output file path |
## Notes
- WAV and MP3 are decoded natively; other formats require `ffmpeg`
- Output images can be inspected with `vision_analyze` for automated audio analysis
- Useful for comparing audio outputs, debugging synthesis, or documenting audio processing pipelines