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Translating audio with Lara (audio-to-audio)

Lara supports audio-to-audio translation through a dedicated API, allowing you to translate spoken content directly from one language to another and receive the result as an audio file.

This feature is designed for programmatic and voice-based use cases where both the input and the output are audio.

What is audio-to-audio translation

With audio-to-audio translation:

  • the input is an audio file

  • the output is a translated audio file

  • speech is translated end-to-end without manual intermediate steps

You do not need to separately manage speech-to-text or text-to-speech processes.

 

Access and availability

Audio-to-audio translation is available through:

  • Lara’s API

  • Lara’s SDKs

This feature is intended for developer and integration use cases and is not available in the Lara web interface.

 

Supported languages

Audio-to-audio translation supports a wide range of languages and locale variants.

Because language availability depends on the underlying speech capabilities and may evolve over time, the most up-to-date list of supported languages is maintained in the developer documentation.

For the current list of supported languages and locale codes, refer to:
https://developers.laratranslate.com/docs/translate-audio 

 

Usage and pricing

Audio-to-audio translation usage is calculated based on audio duration.

Usage is billed per minute of processed audio.

Current rates:

€ 0.08/ $ 0.08 per minute

Examples:

1 minute of audio → €0.08 / $0.08
60 minutes of audio → €4.80 / $4.80

 

Typical use cases

Audio-to-audio translation is commonly used for:

  • voice-based applications and assistants

  • audio content localization

  • speech-driven workflows

  • multimedia and accessibility scenarios

Developer documentation

Detailed technical information — including supported audio formats, request parameters, limits, SDK usage examples, and supported languages — is available in Lara’s developer documentation.

For the most up-to-date implementation details, refer to:
https://developers.laratranslate.com/docs/introduction

 

Supported audio formats

Audio-to-audio translation accepts the following input formats:

  • .wav

  • .mp3

Please ensure that uploaded files are provided in one of these supported formats to avoid processing errors.

 

Voice gender

You can now control the gender of the voice used in the translated audio output by setting the voice_gender field in your API request.

Accepted values:

  • male
  • female

If the voice_gender field is not specified, the system will use a default voice.

For implementation details, refer to the developer documentation.

 

 

This article is about

  • What audio-to-audio translation is in Lara

  • How to use it via Lara’s API and SDKs

  • Supported formats and where to find supported languages

  • How usage is calculated and billed