elevenlabs-voice-changer

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

ElevenLabs Voice Changer

Transform any voice into a different voice via inference.sh CLI.

Quick Start

Requires inference.sh CLI (belt). Install instructions

belt login

# Transform voice
belt app run elevenlabs/voice-changer --input '{"audio": "https://recording.mp3", "voice": "aria"}'

Available Models

Model	ID	Best For
Multilingual STS v2	eleven_multilingual_sts_v2	70+ languages (default)
English STS v2	eleven_english_sts_v2	English-optimized

Voice Options

Same 22+ premium voices as ElevenLabs TTS:

Voice	Style
george	British, authoritative (default)
aria	American, conversational
alice	British, confident
brian	American, conversational
charlie	Australian, natural
daniel	British, commanding
jessica	American, expressive
sarah	American, friendly
adam, bella, bill, callum, chris, eric, harry, laura, liam, lily, matilda, river, roger, will	Various styles

Examples

Basic Voice Transformation

# Change voice to British male
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://my-recording.mp3",
  "voice": "george"
}'

# Change voice to American female
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://my-recording.mp3",
  "voice": "aria"
}'

Choose Output Format

belt app run elevenlabs/voice-changer --input '{
  "audio": "https://recording.mp3",
  "voice": "daniel",
  "output_format": "mp3_44100_192"
}'

English-Optimized Model

belt app run elevenlabs/voice-changer --input '{
  "audio": "https://english-speech.mp3",
  "voice": "brian",
  "model": "eleven_english_sts_v2"
}'

Workflow: Voice-Over Replacement

# 1. Record yourself reading the script (any quality mic)
# 2. Transform to professional voice
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://my-rough-recording.mp3",
  "voice": "george"
}' > professional.json

# 3. Add to video
belt app run infsh/media-merger --input '{
  "media": ["video.mp4", "<professional-audio-url>"]
}'

Workflow: Character Voices

# Record one actor, create multiple characters
# Character 1: British narrator
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://actor-line1.mp3",
  "voice": "george"
}' > char1.json

# Character 2: Young female
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://actor-line2.mp3",
  "voice": "lily"
}' > char2.json

# Character 3: Casual male
belt app run elevenlabs/voice-changer --input '{
  "audio": "https://actor-line3.mp3",
  "voice": "charlie"
}' > char3.json

Use Cases

• Content Creation: Transform your voice for videos and podcasts
• Voice Acting: Create multiple characters from one performance
• Privacy: Anonymize voice in recordings
• Dubbing: Replace voices in video content
• Accessibility: Convert to preferred voice characteristics
• Prototyping: Test different voices before hiring talent

Related Skills

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

# ElevenLabs voice isolator (clean audio first)
npx skills add inference-sh/skills@elevenlabs-voice-isolator

# ElevenLabs dubbing (translate to other languages)
npx skills add inference-sh/skills@elevenlabs-dubbing

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

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