feat(livekit-plugins-typecast): add Typecast TTS plugin #3633
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- Add emotion control with presets and intensity adjustment - Support 30+ languages (ISO 639-3) - Audio customization support - Include standard LiveKit agent example - Add Docker test configuration
Address PR review feedback to improve consistency with other TTS plugins. Changes: - Add DEFAULT_VOICE_ID constant (Olivia voice) - Add Voice dataclass for voice metadata - Make voice parameter optional with default value - Implement list_voices() method to query available voices - Add voice listing example to demo script - Export Voice and DEFAULT_VOICE_ID in public API The plugin now follows the same pattern as ElevenLabs, providing: - Default voice for quick start - Voice discovery through list_voices() - Improved user experience
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Summary
Adds Typecast TTS plugin for creating lifelike speech with unique character voices and precise emotion control.
About Typecast
Typecast is a text-to-speech service that offers 180+ unique AI voices with distinct personalities across multiple languages. The Typecast API enables precise customization of tone, emotion, speed, and pitch, allowing developers to create rich, expressive audio that brings conversational AI to life. With ultra-fast synthesis speeds, it can turn hours of content into high-quality audio in minutes.
Key Features
Character Voices & Emotion Control
normal,happy,sad,angry, etc.Audio Customization
Implementation
Testing
tests/test_tts.pyFiles Changed
Plugin:
livekit-plugins/livekit-plugins-typecast/Example:
examples/other/text-to-speech/typecast_tts.pyConfiguration:
pyproject.toml: workspace configurationtests/docker-compose.yml: test environmenttests/test_tts.py: test integrationexamples/other/text-to-speech/requirements.txt