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Overview

SpeechmaticsSTTService enables real-time speech transcription using Speechmatics’ WebSocket API with partial and final results, speaker diarization, and end of utterance detection (VAD) for comprehensive conversation analysis.

Speechmatics STT API Reference

Pipecat’s API methods for Speechmatics STT integration

Example Implementation

Complete example with interruption handling

Speechmatics Documentation

Official Speechmatics documentation and features

Speaker Diarization Guide

Learn about separating different speakers in audio

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Installation

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

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Prerequisites

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Speechmatics Account Setup

Before using Speechmatics STT services, you need:
  1. Speechmatics Account: Sign up at Speechmatics
  2. API Key: Generate an API key from your account dashboard
  3. Feature Selection: Configure transcription features like speaker diarization

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Required Environment Variables

  • SPEECHMATICS_API_KEY: Your Speechmatics API key for authentication