Audio · Background Only · screenshot coming soon
Intended purpose
Audio · Background Only extracts the non-vocal stem (instrumental, ambience) asCOMFYTV_AUDIO. MV remix, keep BGM swap vocals, IA2V on rhythm only, etc.
⚠️ Current status: workflow slot only — workflows/audio-bg/ has no shipped JSON; Demucs backend pending. See roadmap.md.
When to use it (once shipped)
- Keep BGM, regenerate visuals (IA2V)
- Stylize instrumental in Audio Stage
- Branch with Vocals Only from same source
Planned design
- Stage + workflow + ▶ Run.
kind='audio-bg', upstream video, no prompt.- Planned Demucs
AudioStemSeparate.
Types
Parameters
workflow
workflows/audio-bg/
video
SourceCOMFYTV_VIDEO.
Outputs (when implemented)
Step by step (today)
- Not available — use Demux · Audio Track for full mix.
- Watch roadmap Demucs item.
Full guides (recommended reading)
This page covers one node only. For end-to-end workflows, multi-stage pipelines, type conversion, and design rationale, see the ComfyTV user guides on GitHub:
Repository and workflows
FAQ
Q: Run alongside Vocals Only?A: Likely separate Runs on same source when shipped. Q: Quality?
A: Demucs model + mix complexity. Q: Remix today?
A: Demux full track only; AI stems pending.
Related nodes
- Vocals Only (pending)
- Demux · Audio Track (✅)
- Audio Stage