christian-byrne/audio-separation-nodes-comfyui

Separate stems (vocals, bass, drums, other) from audio. Recombine, tempo match, slice/crop audio

isolate-vocals-song.mp4

Examples

Separating Voices in a Video

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[!NOTE]

In order to load videos into the LoadAudio Node, change this line in your Comfy install to include the video's extension (e.g., .mp4)

workflow.json

isolate-vocals-matrix-smaller.mp4

Replacing BGM with StableAudio-Generated BGM

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[!NOTE]

In order to load videos into the LoadAudio Node, change this line in your Comfy install to include the video's extension (e.g., .mp4)

You can use this to replace copyrighted BGM in a video with new BGM. You can set the denoise low, so that the new BGM is still stimilar to the original.

workflow json

bgm-replace.mp4

Remixing Songs with StableAudio

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• workflow json
• example output (audio file) with embedded workflow
• example output (audio file) with embedded workflow

Separating Song Vocals

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workflow.json

isolate-vocals-song.mp4

Extracting Instrumentals from Songs

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• workflow json

 

Requirements

librosa==0.10.2
torchaudio>=2.3.0
numpy
moviepy

Installation

1. git clone this repository in ComfyUI/custom_nodes folder
2. cd into the cloned repository
3. pip install -r requirements.txt