Chatterbox Speech To Speech

Chatterbox Speech To Speech

Playground

Chatterbox Speech to Speech is a fast AI voice conversion model that converts source audio into a target voice style with optional reference audio guidance. Ready-to-use REST inference API for voice conversion, speech style transfer, dubbing, character voices, creator content, audio localization, and professional speech-to-speech workflows with simple integration, no coldstarts, and affordable pricing.

Features

Chatterbox Speech-to-Speech

Chatterbox Speech-to-Speech transforms a source audio clip into a target voice style using optional reference audio. It is suitable for voice conversion, style transfer, creator dubbing, character voice prototyping, and other speech-to-speech workflows where you want to preserve spoken content while changing vocal identity or delivery style.

Why Choose This?

• Speech-to-speech conversion
  Transform an existing speech recording into a different voice style.

• Optional reference voice guidance
  Add reference_audio when you want the output to follow a particular vocal tone or character.

• Simple workflow
  Upload source audio, optionally upload a reference voice sample, and generate the converted result.

• Useful for creator and dubbing workflows
  Suitable for voice restyling, character voice tests, demo production, and spoken-content transformation.

• Production-ready API
  Useful for narration replacement, voice experiments, content localization, and creative audio workflows.

Parameters

How to Use

1. Upload your source audio — provide the speech recording you want to transform.
2. Upload reference audio (optional) — add a target voice sample if you want stronger style guidance.
3. Submit — run the model and download the converted speech audio.

Example Use Case

Convert a spoken voice clip into a different vocal style for creator content, dubbing, or character voice testing.

Pricing

Just $0.02 per started minute.

Billing Rules

• Pricing is $0.02 per started minute
• Audio duration is billed in started 60-second units
• Audio shorter than 60 seconds is billed as 1 minute
• reference_audio does not affect pricing

Example Costs

Best Use Cases

• Voice style transfer — Convert speech into a different vocal tone or identity.
• Character voice prototyping — Test alternative voice styles for characters or avatars.
• Creator dubbing — Rework spoken audio for short-form content or promos.
• Narration restyling — Preserve content while changing delivery feel.
• Speech workflow experiments — Compare different voice directions from the same recording.

Pro Tips

• Use clean source audio for better intelligibility.
• Add reference_audio only when you want stronger target voice guidance.
• Use a clear reference sample with stable tone for more consistent conversion.
• Short clips are useful for testing before processing longer audio.

Notes

• audio is required.
• reference_audio is optional.
• Pricing is based on source audio duration and billed per started minute.
• Better source audio and cleaner reference audio generally improve output quality.

Related Models

• Chatterbox Text-to-Speech — Generate speech directly from text.
• Voice cloning workflows — Useful when you need a reusable custom voice identity instead of per-request voice guidance.
• Audio generation workflows — Useful when you need music or sound generation instead of speech conversion.

# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/chatterbox/speech-to-speech" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"