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# What files do you accept for voice cloning?

For Instant Voice Cloning and Professional Voice Cloning, we accept a range of file types. We strongly recommend MP3 at 192kbps or above.

**Recommended format**

* MP3, 192kbps or higher

**Recommended length**

* Instant Voice Cloning: 1–2 minutes of good audio
* Professional Voice Cloning: 30–180 minutes of good audio

Uncompressed formats such as WAV usually do not improve clone quality, and they can cause problems with the upload process. Focus on recording quality instead: use a clean recording with no background noise, room reverb, or multiple speakers, at a consistent volume and tone, without long gaps of silence.

For more information, see [Instant Voice Cloning (IVC)](/docs/eleven-creative/voices/voice-cloning/instant-voice-cloning) and [Professional Voice Cloning (PVC)](/docs/eleven-creative/voices/voice-cloning/professional-voice-cloning).