Google SS Plugin 1.21.0 Released

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Arsen Chaloyan

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Aug 21, 2025, 3:04:04 PMAug 21
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Google Speech Synthesis (GSS) Plugin 1.21.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • Google APIs 1.9.0
  • gRPC 1.61.1
  • Protobuf 25.1

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

  • v1

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-gss-1.7.20-1.el8.x86_64.rpm
    • unimrcp-gss-1.8.7-1.el8.x86_64.rpm
  • Red Hat 9
    • unimrcp-gss-1.7.20-1.el9.x86_64.rpm
    • unimrcp-gss-1.8.7-1.el9.x86_64.rpm
  • Ubuntu 20.04 LTS
    • unimrcp-gss_1.7.20-focal_amd64.deb
    • unimrcp-gss_1.8.7-focal_amd64.deb
  • Ubuntu 22.04 LTS
    • unimrcp-gss_1.7.20-jammy_amd64.deb
    • unimrcp-gss_1.8.7-jammy_amd64.deb

This release allows to enable/disable caching per synthesis request. The release allows to specify cache control directives via vendor-specific parameters too.

The detailed list of changes introduced in this release follows.

New Features
  • Allow to enable/disable caching per synthesis request via vendor-specific parameters.
  • Allow to specify cache control directives via vendor-specific parameters in addition to the MRCP generic header.
  • Added support for optional prefix used with names of vendor-specific parameters.
Fixed Problems
  • None.
Configuration Parameters
  • Added a new attribute 'vendor-specific-prefix' to the element 'synth-settings'.
Miscellaneous
  • Updated the Usage Guide to reflect the changes introduced in this release.

Visit the GSS plugin page for more information.

Thank you for using UniMRCP.

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