Voice Changer

Transform voice recordings into high-quality, lifelike AI voices using Murf’s Voice Changer. With just a few parameters, you can change the speaker’s voice, adjust pitch and speed, insert custom pauses—all while preserving the original speaker’s rhythm, tone, and accent automatically.

Try this capability in the API Reference Playground. Simply generate your API key and start exploring the API.

Quickstart

You can Generate your API key from the Murf API Dashboard and optionally set it as an environment variable.

Install the SDK

If you’re using Python, you can install Murf’s Python SDK using the following command:

$
pip install murf

Using the Voice Changer API

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from murf import Murf
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client = Murf(
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    api_key="YOUR_API_KEY", # Not required if you have set the MURF_API_KEY environment variable
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)
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file_path = "PATH_TO_YOUR_FILE" # Path to the file you want to use
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response = client.voice_changer.convert(
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  voice_id="en-US-terrell",
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  file=open(file_path, "rb"),
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  # file_url="URL_TO_YOUR_FILE", # Optional: Use `file_url` instead of `file` if you want to use a publicly accessible file
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)
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print(response.audio_file)

A link to the audio file will be returned in the response. You can use this link to download the audio file and use it wherever you need it. The audio file will be available for download for 24 hours after generation.

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{
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  "audio_file": "https://murf.ai/link/to/audio/file",
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  "audio_length_in_seconds": 8.75,
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  "remaining_character_count": 992150,
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  "encoded_audio": "UklGRlpHSEFWA...",
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  "transcription": "The quick brown fox jumps over the lazy dog."
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}

Speech Customization

The Voice Changer endpoint offers powerful speech transformation capabilities, supporting key features like voiceId, pitch, speed, and pauses.

The maximum allowed input length is 3 minutes per request.

FAQ