Azure SR Plugin 1.32.0 Released

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Arsen Chaloyan

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Aug 20, 2025, 8:03:31 PMAug 20
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Microsoft Azure Speech Recognition (SR) Plugin 1.32.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • 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)
  • Speech Service (private)
  • Custom Speech Service (private)

The plugin is available for the following UMS versions:

  • 1.7.0
  • 1.8.0

The binaries are currently available for the following Linux distributions:

  • Red Hat 8
    • unimrcp-azure-sr-1.7.30-1.el8.x86_64.rpm
    • unimrcp-azure-sr-1.8.10-1.el8.x86_64.rpm
  • Red Hat 9
    • unimrcp-azure-sr-1.7.30-1.el9.x86_64.rpm
    • unimrcp-azure-sr-1.8.10-1.el9.x86_64.rpm
  • Ubuntu 20.04 LTS
    • unimrcp-azure-sr_1.7.30-focal_amd64.deb
    • unimrcp-azure-sr_1.8.10-focal_amd64.deb
  • Ubuntu 22.04 LTS
    • unimrcp-azure-sr_1.7.30-jammy_amd64.deb
    • unimrcp-azure-sr_1.8.10-jammy_amd64.deb

This release provides support for an alternate hierarchical layout of recorded utterance files based on datetime. The release also fixes a minor issue.

The detailed list of changes introduced in this release follows.

New Features
  • Added support for an alternate hierarchical layout of recorded utterance files based on datetime.
Fixed Problems
  • When the 'turn.end' message is not delivered and the 'turn-end' timeout is elapsed, complete the current turn and start processing pending audio data, if any.
Configuration Parameters
  • Added a new attribute 'file-layout' to the element 'utterance-manager'.
Miscellaneous
  • Updated the Usage Guide to reflect the changes introduced in this release.

Visit the Azure SR plugin page for more information.

Thank you for using UniMRCP.

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