Real-time Voice AI

Knowledge for building real-time voice agents with STT/TTS providers and LiveKit Agents.

Provider Selection

See stt-providers.md for speech-to-text comparison.

See tts-providers.md for text-to-speech comparison.

LiveKit Integration

See livekit-plugins.md for plugin usage and code patterns.

Quick Decision Matrix

| Requirement | STT | TTS | |-------------|-----|-----| | Korean + Accuracy | OpenAI gpt-4o-transcribe | Google Cloud TTS | | Korean + Low latency | Deepgram Nova-3 | ElevenLabs | | Korean specialty | CLOVA | Google Cloud TTS | | Cost-sensitive | Deepgram Nova-3 | Google Cloud TTS | | Best quality | OpenAI gpt-4o-transcribe | ElevenLabs | | Lowest latency | Deepgram Nova-3 | Cartesia |