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Overview

NVIDIA Riva provides two STT service implementations: RivaSTTService for real-time streaming transcription using Parakeet models, and RivaSegmentedSTTService for segmented transcription using Canary models with advanced language support and enterprise-grade accuracy.

Riva STT API Reference

Pipecat’s API methods for NVIDIA Riva STT integration

Example Implementation

Complete example with NVIDIA services integration

NVIDIA Riva Documentation

Official NVIDIA Riva ASR documentation

NVIDIA Developer Portal

Access API keys and Riva services

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Installation

To use NVIDIA Riva services, install the required dependency: 
pip install "pipecat-ai[riva]"

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Prerequisites

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NVIDIA Riva Setup

Before using NVIDIA Riva STT services, you need:
  1. NVIDIA Developer Account: Sign up at NVIDIA Developer Portal
  2. API Key: Generate an NVIDIA API key for Riva services
  3. Model Selection: Choose between Parakeet (streaming) and Canary (segmented) models

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Required Environment Variables

  • NVIDIA_API_KEY: Your NVIDIA API key for authentication