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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