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Overview

LMNTTTSService provides real-time text-to-speech synthesis through LMNT’s WebSocket-based streaming API optimized for conversational AI. The service offers ultra-low latency with high-quality voice models and supports multiple languages with automatic interruption handling.

LMNT TTS API Reference

Pipecat’s API methods for LMNT TTS integration

Example Implementation

Complete example with voice synthesis

LMNT Documentation

Official LMNT streaming speech API documentation

Voice Library

Browse and create custom voices

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Installation

To use LMNT services, install the required dependencies: 
pip install "pipecat-ai[lmnt]"

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Prerequisites

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LMNT Account Setup

Before using LMNT TTS services, you need:
  1. LMNT Account: Sign up at LMNT Console
  2. API Key: Generate an API key from your account dashboard
  3. Voice Selection: Choose from available voice models or create custom voices

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Required Environment Variables

  • LMNT_API_KEY: Your LMNT API key for authentication