@mastra/voice-google

Google Cloud Voice integration for Mastra, providing both Text-to-Speech (TTS) and Speech-to-Text capabilities.

Note: This package replaces the deprecated @mastra/speech-google package, combining both speech synthesis and recognition capabilities.

Installation

npm install @mastra/voice-google

Configuration

The module requires the following environment variable:

GOOGLE_API_KEY=your_api_key

Usage

import { GoogleVoice } from '@mastra/voice-google';

// Initialize with configuration
const voice = new GoogleVoice({
  speechModel: {
    apiKey: 'your-api-key', // Optional, can use GOOGLE_API_KEY env var
  },
  listeningModel: {
    apiKey: 'your-api-key', // Optional, can use GOOGLE_API_KEY env var
  },
  speaker: 'en-US-Standard-F', // Default voice
});

// List available voices
const voices = await voice.getSpeakers();

// Generate speech
const audioStream = await voice.speak('Hello from Mastra!', {
  speaker: 'en-US-Standard-F',
  languageCode: 'en-US',
});

// Transcribe speech
const text = await voice.listen(audioStream);

Features

• Neural Text-to-Speech synthesis
• Speech-to-Text recognition
• Multiple voice options across different languages
• Streaming support for both speech and transcription
• High-quality audio processing
• Natural-sounding voice synthesis

Voice Options

View the complete list using the getSpeakers() method or Google Cloud's documentation.