Riva Speech Recognition

Release Version: 1.0.1

Release Date: Apr 12, 2022

By using Riva Speech Recognition (SR) plugin to UniMRCP Server, IVR platforms can utilize NVIDIA Riva Speech-to-Text API via the industry-standard Media Resource Control Protocol (MRCP) version 1 and 2.

NVIDIA Riva Speech-to-Text API performs speech to text conversion powered by machine learning providing the following main features.

Streaming Speech Recognition

Supports efficient streaming speech transcription.

Low Latency

Intermediate transcripts are returned with low latency.

Efficient Feature Extraction

GPU-accelerated feature extraction.

Multiple Acoustic Models

Multiple (and growing) acoustic model architecture options accelerated by NVIDIA TensorRT

Beam Search Decoder

Beam search decoder based on n-gram language models

Voice Activity Detection

CTC-based voice activity detection algorithms.

Automatic Punctuation

Automatic punctuation can optionally be enabled.

Alternate Transcripts

Ability to return top-N transcripts from beam decoder

Word-level Timestamps

Word-level timestamps can optionally be returned.

Inverse Text Normalization

Inverse text normalization (ITN) is supported.

Obtain License

Configure Your License

License Variation
License Term
License Type
Price

$0.00

per channel
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Addon Packages

Complimentary Products


Alternate Products


Solutions

IVR

platform

MRCP

server

  • Riva Speech Recognition

Solutions

IVR

platform

MRCP

server

  • Riva Speech Recognition

Documentation

This section provides references to installation, configuration and usage guides.

Installation

RPM Installation Manual

WIKI

Obtain and install the RPM packages for Red Hat / CentOS.

Deb Installation Manual

WIKI

Obtain and install the deb packages for Debian / Ubuntu.

Usage

Usage Manual

WIKI

Learn how to configure and use the plugin.

Supplimentary

Release Notes

WIKI

Track down the changes introduced in each release.

Licensing

Licensing Model

WIKI

Understand the software licensing model.

License Server

WIKI

Familiarize with the concept of the license server.