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Yandex SR Plugin 1.7.0 Released

Yandex Speech Recognition (SR) Plugin 1.7.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • UniMRCP Server 1.7.0
  • Yandex SpeechKit Speech to Text API v2
  • gRPC 1.30.3
  • Protobuf 3.12.2
  • Libevent 2.1.9
  • Rapidjson 1.1.0

The binaries are currently available for the following Linux distributions:

  • Red Hat / CentOS 7 (unimrcp-yandex-sr-1.7.2-1.el7.x86_64.rpm)
  • Red Hat / CentOS 8 (unimrcp-yandex-sr-1.7.2-1.el8.x86_64.rpm)
  • Ubuntu 18.04 LTS (unimrcp-yandex-sr_1.7.2-bionic_amd64.deb)
  • Ubuntu 20.04 LTS (unimrcp-yandex-sr_1.7.2-focal_amd64.deb)

This release provides a few fixes and enhancements to the existing functionality. The release is built against newer versions of gRPC and Google APIs.

The detailed list of changes introduced in this release follows.
New Features
  • Added support for a late gRPC call. The late gRPC call allows to address the problem related to 'Chunks have to be sent with at least one per 5 seconds frequency'.
  • Made the timeout of HTTP auth requests configurable.
Fixed Problems
  • Skip speech related events when DTMF input is in progress.
  • Fixed a possible segfault on processing of the header field Logging-Tag having an empty [no] value.
Configuration Parameters
  • Added a new attribute 'auth-request-timeout' to the element 'streaming-recognition'. Defaults to 30 seconds.
  • Log not only status code but also status text extracted from received HTTP responses.
  • Upgraded the gRPC library to 1.30.3 version.
  • Upgraded Google APIs to 1.5.0.
  • Updated the Usage Guide to reflect the changes introduced in this release.

Visit the Yandex SR plugin page for more information.


Thank you for using UniMRCP.

Arsen Chaloyan
Author of UniMRCP

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