Harshita Jain 099814d74a Add Smallest AI TTS service integration ...

Adds SmallestTTSService, a WebSocket-based TTS service using Smallest AI's
Lightning v3.1 model. Follows current Pipecat service conventions:

- SmallestTTSSettings dataclass with runtime-updatable settings (voice,
  language, speed, etc.)
- Reconnects on model change; keepalive every 30s to prevent idle timeout
- TTS settings default to None so the API applies its own defaults
- Model enum: SmallestTTSModel.LIGHTNING_V3_1

Includes a foundational example (07zl-interruptible-smallest.py) using
Deepgram STT + Smallest TTS + OpenAI LLM.

STT integration will follow in a separate PR once the hallucination/finalize
behaviour is resolved.

Made-with: Cursor

2026-03-24 11:11:10 -04:00

3.7 KiB

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