TTS provider
Select your Text-to-Speech provider in the assistant settings. This option is available in Pipeline and Dualplex modes. Available providers:- ElevenLabs — high-quality voices with a wide selection of languages and accents.
- Cartesia — fast, low-latency synthesis, useful when response speed is a priority.
Choosing a voice
Each TTS provider has its own voice library. You can filter by gender, accent, or language depending on your provider. Browse the options in your assistant’s voice settings and preview voices before committing.Cloning a voice
Voice cloning creates a custom voice from an audio sample — ideal for brand consistency, matching a company spokesperson, or building a personal connection with callers. Cloning is available in Pipeline and Dualplex modes. Requirements by provider:
Steps to clone a voice:
1
Start the cloning process
In your assistant’s voice settings, click Clone voice next to the voice selector.
2
Choose a provider
Select Cartesia or ElevenLabs based on your needs.
3
Set the language
Choose the language the cloned voice will speak.
4
Name your voice
Enter a name you’ll recognise in the dropdown later.
5
Upload audio
Record a new sample or upload an existing file that meets the provider’s requirements.
6
Wait for processing
Processing typically takes a few minutes. You’ll see the voice appear in the dropdown when it’s ready.
7
Select your new voice
Pick the cloned voice from the voice selector dropdown and save your assistant.
Best practices
- Use high-quality audio — clearer samples produce better clones.
- Record with steady delivery — natural tone, no abrupt pauses or changes in volume.
- Eliminate background noise — record in a quiet room or use a quality microphone.
- Get proper consent — only clone voices you have permission to use.