ElevenLabs Voice Isolator

Isolate and extract voice from audio files using ElevenLabs' advanced AI voice isolation technology. Remove background noise, music, and other audio elements to get clean, isolated voice recordings from mixed audio sources.

Note: Audio files must first be uploaded using the Asset API before voice isolation. The audioUrl parameter should contain the path returned from the Asset API upload.

Supported Models

• elevenlabs-voice-isolator: ElevenLabs Voice Isolation service

Parameters

Parameter	Type	Required	Description
type	string	Yes	Feature type, must be "VOICE_ISOLATOR"
model	string	Yes	Model identifier, use "elevenlabs-voice-isolator"
promptObject.audioUrl	string	Yes	Path to audio file to isolate voice from (uploaded via Asset API)

Endpoint

POSThttps://api.1min.ai/api/features

Request Headers

Field	Value
API-KEY	<api-key>
Content-Type	application/json

Supported Audio Formats

Input Formats

• MP3 - MPEG Audio Layer III
• WAV - Waveform Audio File Format
• M4A - MPEG-4 Audio
• FLAC - Free Lossless Audio Codec
• MP4 - MPEG-4 Part 14 (audio only)
• WEBM - WebM Audio
• OGG - Ogg Vorbis

Output Format

The voice isolator returns clean, isolated voice audio in high-quality format suitable for further processing or direct use.

Code Example

cURL

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "VOICE_ISOLATOR",
"model": "elevenlabs-voice-isolator",
"promptObject": {
  "audioUrl": "audios/2025_10_21_mixed_audio_with_music.mp3"
}
}'

JavaScript

fetch('https://api.1min.ai/api/features', {
method: 'POST',
headers: {
  'Content-Type': 'application/json',
  'API-KEY': 'YOUR_API_KEY'
},
body: JSON.stringify({
  type: 'VOICE_ISOLATOR',
  model: 'elevenlabs-voice-isolator',
  promptObject: {
    audioUrl: 'audios/2025_10_21_mixed_audio_with_music.mp3'
  }
})
});

Python

import requests

url = "https://api.1min.ai/api/features"
headers = {
  "Content-Type": "application/json",
  "API-KEY": "YOUR_API_KEY"
}

data = {
  "type": "VOICE_ISOLATOR",
  "model": "elevenlabs-voice-isolator",
  "promptObject": {
      "audioUrl": "audios/2025_10_21_mixed_audio_with_music.mp3"
  }
}

response = requests.post(url, headers=headers, json=data)

Interactive Playground

Try the API directly in your browser:

API Playground

GETPOSTPUTDELETEhttps://api.1min.ai/api/features

AI Model *ElevenLabs Voice Isolator

Audio URL *

Path to the audio file containing mixed audio with voice to isolate (upload via Asset API first)

Generated cURL Command:

curl -X POST "https://api.1min.ai/api/features" \
  -H "API-KEY: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "type": "VOICE_ISOLATOR",
  "model": "elevenlabs-voice-isolator",
  "promptObject": {
    "audioUrl": "audios/mixed_audio_sample.mp3"
  }
}'

Use Cases

• Podcast Production: Extract clean voice tracks from recordings with background music
• Interview Enhancement: Isolate speaker voices from noisy environments
• Content Creation: Clean up audio recordings for video production
• Audio Restoration: Recover voice content from old or damaged recordings
• Music Production: Separate vocals from instrumental tracks
• Conference Calls: Extract clear voice from calls with background noise
• Educational Content: Clean up lecture recordings for better clarity
• Accessibility: Improve audio quality for hearing-impaired users
• Voice Analysis: Prepare clean voice samples for further analysis
• Broadcasting: Clean up audio for radio or podcast broadcasting