Voice changer

A guide on how to transform audio between voices while preserving emotion and delivery.

Overview

Voice changer (previously Speech-to-Speech) allows you to convert one voice (source voice) into another (cloned voice) while preserving the tone and delivery of the original voice.

Voice changer can be used to complement Text-to-Speech (TTS) by fixing pronunciation errors or infusing that special performance you’ve been wanting to exude. Voice changer is especially useful for emulating those subtle, idiosyncratic characteristics of the voice that give a more emotive and human feel. Some key features include:

  • Greater accuracy with whispering
  • The ability to create audible sighs, laughs, or cries
  • Greatly improved detection of tone and emotion
  • Accurately follows the input speaking cadence
  • Language/accent retention

Guide

Voice changer demo

Audio can be uploaded either directly with an audio file, or spoken live through a microphone. The audio file must be less than 50mb in size, and either the audio file or your live recording cannot exceed 5 minutes in length.

If you have material longer than 5 minutes, we recommend breaking it up into smaller sections and generating them separately. Additionally, if your file size is too large, you may need to compress/convert it to an mp3.

Existing audio file

To upload an existing audio file, either click the audio box, or drag and drop your audio file directly onto it.

Record live

Press the Record Audio button in the audio box, and then once you are ready to begin recording, press the Microphone button to start. After you’re finished recording, press the Stop button.

You will then see the audio file of this recording, which you can then playback to listen to - this is helpful to determine if you are happy with your performance/recording. The character cost will be displayed on the bottom-left corner, and you will not be charged this quota for recording anything - only when you press “Generate”.

The cost for a voice changer generation is solely duration-based at 1000 characters per minute.

Settings

Voice changer settings

Learn more about the different voice settings here.

Voice changer adds an additional setting to automaticaly remove background noise from your recording.

Support languages

eleven_english_sts_v2

Our multilingual v2 models support 29 languages:

English (USA, UK, Australia, Canada), Japanese, Chinese, German, Hindi, French (France, Canada), Korean, Portuguese (Brazil, Portugal), Italian, Spanish (Spain, Mexico), Indonesian, Dutch, Turkish, Filipino, Polish, Swedish, Bulgarian, Romanian, Arabic (Saudi Arabia, UAE), Czech, Greek, Finnish, Croatian, Malay, Slovak, Danish, Tamil, Ukrainian & Russian.

The eleven_english_sts_v2 model only supports English.

Learn more about models

Best practices

Voice changer excels at preserving accents and natural speech cadences across various output voices. For instance, if you upload an audio sample with a Portuguese accent, the output will retain that language and accent. The input sample is crucial, as it determines the output characteristics. If you select a British voice like “George” but record with an American accent, the result will be George’s voice with an American accent.

  • Expression: Be expressive in your recordings. Whether shouting, crying, or laughing, the voice changer will accurately replicate your performance. This tool is designed to enhance AI realism, allowing for creative expression.
  • Microphone gain: Ensure the input gain is appropriate. A quiet recording may hinder AI recognition, while a loud one could cause audio clipping.
  • Background Noise: Turn on the Remove Background Noise option to automatically remove background noise from your recording.

FAQ

Voice Changer, previously known as Speech to Speech, allows you to convert one voice (source voice) into another (cloned voice) while preserving the tone and delivery of the original voice.

The possibilities are endless. It can be used to complement Text to Speech by fixing pronunciations or infusing that special performance you’ve been wanting. It can also be used to help extend the range of voice actors by giving them access to a wide selection of different voices and tones. We do offer an end-to-end solution for dubbing, but if you still want to dub in the traditional way, you can take advantage of voice changer to help get the right voice for your project.

Voice Changer costs 1,000 credits per minute of audio, and the maximum length of audio that can be converted is 5 minutes.

For more information, please see our guide.

Voice Changer, previously known as Speech to Speech, costs 1,000 credits per minute of audio.

The current maximum input length when using voice changer, previously known as speech-to-speech, is 300 seconds or 5 minutes of audio. This is the same across all subscriptions.

The following file formats can be used as the input audio for Voice Changer.

Audio:

  • MP3
  • M4A
  • FLAC
  • OGA
  • OGG
  • WAV

Video:

  • MKV
  • WEBM
  • MP4
  • MOV

You can download the generated files in two ways:

You can download a generated file immediately by clicking the download button on the bottom right after generating the content.

Previously generated files can be downloaded from your history. To access your history, log in to your account and select Voice Changer in the sidebar, then click the History tab in the panel on the right side of the screen. 

You can click the download button to download any file from your history as either an MP3 or WAV file.  For additional download options, click Advanced.

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