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Azure SR Plugin 1.15.0 Released


Microsoft Azure Speech Recognition (SR) Plugin 1.15.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • UniMRCP Server 1.7.0
  • Microsoft Speech WebSocket Protocol
  • Libevent 2.1.9
  • Rapidjson 1.1.0

The plugin supports the following endpoints:

  • Speech Service (regional)
  • Custom Speech Service (regional)
  • Speech Service (containerized)
  • Custom Speech Service (containerized)

The binaries are currently available for the following Linux distributions:

  • Red Hat / CentOS 7 (unimrcp-azure-sr-1.7.5-1.el7.x86_64.rpm)
  • Ubuntu 16.04 LTS (unimrcp-azure-sr_1.7.5-xenial_amd64.deb)
  • Ubuntu 18.04 LTS (unimrcp-azure-sr_1.7.5-bionic_amd64.deb)

This release adds support for dictation mode and also provides a few fixes and enhancements.

The detailed list of changes introduced in this release follows.
New Features
  • Added support for dictation mode (continuous speech transcription) in addition to interactive mode (single utterance).
  • When a STOP request is received, close the WS connection straightaway without waiting for normal completion. This change also allows to unconditionally release the associated license.
  • If a WS close message is received from the service or the WS connection is closed by the service, a new connection is created on processing of the next RECOGNIZE request.
Fixed Problems
  • When the service unexpectedly sends a WS close message with a reason "Instance is shutting down", the next RECOGNIZE request could fail by possibly causing a license depletion.
Configuration Parameters
  • Added new attribute 'single-utterance' to the element 'ws-streaming-recognition'.
  • Changed default values of 'speech-incomplete-timeout' from 3000 msec to 15000 msec and 'input-timeout' from 10000 msec to 30000 msec.
Miscellaneous
  • Updated the Usage Guide to reflect the changes introduced in this release.

Visit the Azure SR plugin page for more information.

http://www.unimrcp.org/azsr

Thank you for using UniMRCP.

--
Arsen Chaloyan
Author of UniMRCP
http://www.unimrcp.org

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