About

Imported from inference-sh/skills (tools/audio/elevenlabs-voice-isolator/SKILL.md) via skills.sh. Install upstream with npx skills add inference-sh/skills --skill elevenlabs-voice-isolator. Copyright stays with the author.

Install the belt CLI skill: npx skills add belt-sh/cli

ElevenLabs Voice Isolator

Name: elevenlabs-voice-isolator
Author: inference-sh

Remove background noise and isolate voices from audio via inference.sh CLI.

Voice Isolator

Quick Start

Requires inference.sh CLI (belt). Install instructions

belt login

# Isolate voice from noisy audio
belt app run elevenlabs/voice-isolator --input '{"audio": "https://noisy-recording.mp3"}'

Supported Formats

Format	Max Size	Max Duration
WAV	500MB	1 hour
MP3	500MB	1 hour
FLAC	500MB	1 hour
OGG	500MB	1 hour
AAC	500MB	1 hour

Examples

Clean Up a Recording

# Remove background noise from a podcast recording
belt app run elevenlabs/voice-isolator --input '{"audio": "https://noisy-podcast.mp3"}'

Clean Interview Audio

# Isolate speaker from café background noise
belt app run elevenlabs/voice-isolator --input '{"audio": "https://cafe-interview.mp3"}'

Extract Vocals from Music

# Separate vocals from instrumental
belt app run elevenlabs/voice-isolator --input '{"audio": "https://song.mp3"}'

What It Removes

Ambient/environmental noise
Background music
Reverb and echo
Wind noise
Traffic and crowd noise
Electrical hum/buzz
Other non-voice sounds

Workflow: Clean → Transcribe

# 1. Isolate voice from noisy recording
belt app run elevenlabs/voice-isolator --input '{
  "audio": "https://noisy-meeting.mp3"
}' > cleaned.json

# 2. Transcribe the clean audio
belt app run elevenlabs/stt --input '{
  "audio": "<cleaned-audio-url>",
  "diarize": true
}'

Workflow: Clean → Voice Change

# 1. Clean up the audio
belt app run elevenlabs/voice-isolator --input '{
  "audio": "https://raw-recording.mp3"
}' > cleaned.json

# 2. Transform the voice
belt app run elevenlabs/voice-changer --input '{
  "audio": "<cleaned-audio-url>",
  "voice": "george"
}'

Workflow: Clean → Add to Video

# 1. Clean the voiceover
belt app run elevenlabs/voice-isolator --input '{
  "audio": "https://raw-voiceover.mp3"
}' > cleaned.json

# 2. Merge with video
belt app run infsh/media-merger --input '{
  "media": ["video.mp4", "<cleaned-audio-url>"]
}'

Use Cases

Podcasts: Clean up recordings with background noise
Interviews: Remove café/office ambient sounds
Music: Extract vocals for remixes or karaoke
Video Production: Clean dialogue audio
Archival: Restore old or degraded recordings
Meetings: Improve recording clarity
Voice Cloning Prep: Clean source audio for better cloning results

Related Skills

# ElevenLabs voice changer (transform voice after cleaning)
npx skills add inference-sh/skills@elevenlabs-voice-changer

# ElevenLabs STT (transcribe clean audio)
npx skills add inference-sh/skills@elevenlabs-stt

# ElevenLabs TTS (generate clean speech from text)
npx skills add inference-sh/skills@elevenlabs-tts

# Full platform skill (all apps)
npx skills add inference-sh/skills@infsh-cli

Browse all audio apps: belt app list --category audio

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/inference-sh-skills-elevenlabs-voice-isolator/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

inference-sh-skills-elevenlabs-voice-isolator.ocm.jsonjson

{
  "ocm": "1",
  "id": "inference-sh-skills-elevenlabs-voice-isolator",
  "kind": "skill",
  "name": "elevenlabs-voice-isolator",
  "description": "ElevenLabs voice isolator - remove background noise and isolate vocals from audio via inference.sh CLI. Capabilities: noise removal, voice extraction, audio cleanup, background removal. Use for: podcast cleanup, interview audio, music vocals, noisy recordings, audio restoration. Triggers: voice isolator, noise removal, background removal, isolate voice, clean audio, remove background noise, audio cleanup, voice extraction, elevenlabs isolator, eleven labs noise, vocal isolation, denoise, audio restoration, voice separation",
  "publisher": "inference-sh",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "ElevenLabs voice isolator - remove background noise and isolate vocals from audio via inference.sh CLI. Capabilities: noise removal, voice extraction, audio cleanup, background removal. Use for: podcast cleanup, interview audio, music vocals, noisy recordings, audio restoration. Triggers: voice isolator, noise removal, background removal, isolate voice, clean audio, remove background noise, audio cleanup, voice extraction, elevenlabs isolator, eleven labs noise, vocal isolation, denoise, audio restoration, voice separation"
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/inference-sh/skills",
      "path": "tools/audio/elevenlabs-voice-isolator/SKILL.md",
      "ref": "HEAD",
      "url": "https://www.skills.sh/inference-sh/skills/elevenlabs-voice-isolator",
      "key": "inference-sh/skills/tools/audio/elevenlabs-voice-isolator/SKILL.md"
    },
    "allowed_tools": [
      "Bash(belt",
      "*)"
    ]
  },
  "instructions": "> **Install the belt CLI skill:** `npx skills add belt-sh/cli`\n\n# ElevenLabs Voice Isolator\n\nRemove background noise and isolate voices from audio via [inference.sh](https://inference.sh) CLI.\n\n![Voice Isolator](https://cloud.inference.sh/u/4mg21r6ta37mpaz6ktzwtt8krr/01jz00krptarq4bwm89g539aea.png)\n\n## Quick Start\n\n> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)\n\n```bash\nbelt login\n\n# Isolate voice from noisy audio\nbelt app run elevenlabs/voice-isolator --input '{\"audio\": \"https://noisy-recording",
  "cost": {
    "context_tokens": 832
  }
}

Fetch it by URL: GET /api/v1/registry/inference-sh-skills-elevenlabs-voice-isolator/manifest?version=1.0.0

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