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Google SR Plugin 1.21.0 Released

Google Speech Recognition (GSR) Plugin 1.21.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • UniMRCP Server 1.7.0
  • Google APIs 1.5.0
  • gRPC 1.30.3
  • Protobuf 3.12.2

The plugin supports the following Google Speech-to-Text API versions:

  • v1
  • v1p1beta1

The binaries are currently available for the following Linux distributions:

  • Red Hat / CentOS 7 (unimrcp-gsr-1.7.7-1.el7.x86_64.rpm)
  • Red Hat / CentOS 8 (unimrcp-gsr-1.7.7-1.el8.x86_64.rpm)
  • Ubuntu 18.04 LTS (unimrcp-gsr_1.7.7-bionic_amd64.deb)
  • Ubuntu 20.04 LTS (unimrcp-gsr_1.7.7-focal_amd64.deb)

This release is built against a newer version of Google APIs and a patched version of the gRPC library. The release supports additional parameters introduced in the v1p1beta1 API.

The detailed list of changes introduced in this release follows.
New Features
  • Implemented the SRGS XML grammar support for DTMF input too.
  • Added support for word-level confidence available in v1p1beta1 only.
  • Added support for spoken punctuation and emojis available in v1p1beta1 only.
  • Added initial support for the new model adaptation concept available in v1p1beta1 only.
Fixed Problems
  • Set the audience on requests sent to regional service endpoints.
Configuration Parameters
  • Added new attributes 'word-confidence', 'spoken-punctuation' and 'spoken-emojis' to the element 'streaming-recognition'.
  • The entire data structure received from the service is now logged in the JSON format.
  • Patched the gRPC library to allow the user application to set audience/scope on requests sent to Google.
  • Upgraded Google APIs from unigoogleapis-1.4.0 to unigoogleapis-1.5.0.
  • Updated the Usage Guide to reflect the changes introduced in this release.

Visit the GSR plugin page for more information.


Thank you for using UniMRCP.

Arsen Chaloyan
Author of UniMRCP

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