Speech Recognition: Deploying Models to Production

Deploy optimized services that can run in real-time using Riva, a GPU-accelerated SDK for developing speech applications.

Tanay Varshney
7 min readadvanced
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Overview

This article discusses the deployment of speech recognition models using NVIDIA Riva, an AI speech SDK. It covers the setup process, configuration, and inferencing with Riva models, emphasizing the ease of deployment using Riva containers and Kubernetes.

What You'll Learn

1

How to set up NVIDIA Riva for speech recognition applications

2

How to configure and deploy models using Riva

3

How to perform inferencing with Riva models using gRPC

Prerequisites & Requirements

  • Python >= 3.6.9
  • Docker CE > 19.03.5
  • nvidia-docker2 3.4.0-1

Key Questions Answered

What are the prerequisites for setting up NVIDIA Riva?
To set up NVIDIA Riva, you need Python version 3.6.9 or higher, Docker CE version 19.03.5 or higher, and nvidia-docker2 version 3.4.0-1. These tools are essential for running Riva and its components effectively.
How do you deploy models using NVIDIA Riva?
Models can be deployed using Riva by configuring a settings file and running prepackaged scripts like riva_init.sh and riva_start.sh. These scripts automate the process of downloading model files and starting the Triton Inference Server.
What is the purpose of the Riva Skills Quick Start resource?
The Riva Skills Quick Start resource provides a package that includes tools for fine-tuning language models, getting started notebooks, and scripts for initializing and running the Triton Inference Server. It simplifies the deployment process for users.
What are the benefits of using NVIDIA Triton Inference Server with Riva?
NVIDIA Triton Inference Server allows for serving multiple inference requests across various models on multiple GPUs, optimizing resource usage and reducing latency in applications that require real-time responses.

Technologies & Tools

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AI SDK
Nvidia Riva
Used for developing real-time speech recognition applications.
Inference Server
Nvidia Triton Inference Server
Serves multiple inference requests and optimizes resource usage.
Containerization
Docker
Used to run Riva containers for deployment.
Container Orchestration
Kubernetes
Facilitates the deployment and management of Riva services at scale.

Key Actionable Insights

1
Leverage the Riva Skills Quick Start resource to streamline your deployment process.
Using the Quick Start resource can save time and effort in setting up your speech recognition models, as it provides pre-configured scripts and necessary assets.
2
Utilize the gRPC API for efficient inferencing with Riva models.
The gRPC API allows for quick and efficient communication with the Riva server, making it easier to integrate speech recognition capabilities into your applications.
3
Consider using Kubernetes for scalable deployment of Riva services.
Kubernetes can help manage Riva deployments at scale, allowing for better resource allocation and easier management of multiple services.

Common Pitfalls

1
Failing to install the required tools before setting up Riva can lead to deployment issues.
Ensure that all prerequisites, such as Python, Docker, and nvidia-docker2, are installed correctly to avoid complications during the setup process.

Related Concepts

Speech Recognition
Real-time Applications
AI/ML Deployment Strategies