¶ Azure SS Plugin 1.25.0
Sep 10, 2024
Microsoft Azure Speech Synthesis (SS) Plugin 1.25.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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-ss-1.7.20-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.7-1.el8.x86_64.rpm- Red Hat 9
unimrcp-azure-ss-1.7.20-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.7-1.el7.x86_64.rpm- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.20-focal_amd64.deb
unimrcp-azure-ss_1.8.7-focal_amd64.deb- Ubuntu 22.04 LTS
unimrcp-azure-ss_1.7.20-jammy_amd64.deb
unimrcp-azure-ss_1.8.7-jammy_amd64.deb
¶ Summary
This release adds support for mutual TLS. The release allows to support WSO2 authentication and a custom authenticator.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ 
New Features
- Allow to specify a default voice per language in umsazurevoices.xml.
- Added support for mutual TLS by allowing to specify a private key, client certificate and CA files from the plugin configuration.
- Added support for WSO2 authentication by allowing to specify an auth secret in addition to an auth key.
- Added support for a custom authenticator by allowing to specify arbitrary name/value parameters within a JSON object.
¶ 
Fixed Problems
- None.
¶ 
Configuration Parameters
- Added a new attribute 'default' to the element 'voice'.
¶ 
Miscellaneous
- Discontinued packages for Red Hat 7.
- Added packages for Red Hat 9.
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.24.0
Apr 3, 2024
Microsoft Azure Speech Synthesis (SS) Plugin 1.24.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.19-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.6-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.19-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.6-1.el8.x86_64.rpm- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.19-focal_amd64.deb
unimrcp-azure-ss_1.8.6-focal_amd64.deb- Ubuntu 22.04 LTS
unimrcp-azure-ss_1.7.19-jammy_amd64.deb
unimrcp-azure-ss_1.8.6-jammy_amd64.deb
¶ Summary
This release adds support for language-based on-prem service endpoints used with multi-language applications. The release allows to specify custom styles per voice and provides other minor fixes and improvements.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for language-based on-prem service endpoints used with multi-language applications.
- Added support for optional prefix used with names of vendor-specific parameters.
- Allow prosody parameters to be specified via vendor-specific parameters.
- Allow to specify a lexicon URI in three different ways as voice element (default), voice attribute or HTTP header.
- Added support for multiple lexicon URIs separated by ';'.
- Added support for custom styles specified per voice in the configuration file of voices.
¶ Fixed Problems
- Fixed a race condition issue in processing SPEAK -> STOP -> SPEAK requests. The problem is encountered when the first SPEAK request is placed via HTTP to the service endpoint and stopped immediately, while the second SPEAK request is served from the local cache.
- Make sure special characters are always escaped in SSML.
- Properly support changes in the language or service endpoint in subsequent requests placed in the scope of the same MRCP session.
¶ Configuration Parameters
- Added a new attribute 'language' to the element 'service-endpoint'.
- Added a new attribute 'vendor-specific-prefix' to the element 'synth-settings'.
- Added a new element 'styles' to the element 'voice'.
¶ Miscellaneous
- Added the AlexNeural voice for es-PE to the default configuration file of voices.
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.23.0
Nov 6, 2023
Microsoft Azure Speech Synthesis (SS) Plugin 1.23.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.18-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.5-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.18-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.5-1.el8.x86_64.rpm- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.18-focal_amd64.deb
unimrcp-azure-ss_1.8.5-focal_amd64.deb- Ubuntu 22.04 LTS
unimrcp-azure-ss_1.7.18-jammy_amd64.deb
unimrcp-azure-ss_1.8.5-jammy_amd64.deb
¶ Summary
This release adds support for lexicon URI optionally set as an attribute to the 'voice' element in SSML. The release also creates a new connection if the service URI differs in subsequent SPEAK requests placed in the scope of the same MRCP session.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Pass lexicon as an attribute to the 'voice' element instead of HTTP request header.
- Create a new connection when the service URI differs in subsequent SPEAK requests placed in the scope of the same MRCP session.
¶ Fixed Problems
- Fixed processing of max-file-age, which can optionally be set for waveforms, to properly remove file entries when max-file-age is reached.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Added the FatimaNeural and HamdanNeural voices for ar-AE to the default configuration file of voices.
- If an HTTP request fails, add both the response code and status string to the log statement.
¶ Azure SS Plugin 1.22.0
May 15, 2023
Microsoft Azure Speech Synthesis (SS) Plugin 1.22.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.17-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.4-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.17-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.4-1.el8.x86_64.rpm- Ubuntu 18.04 LTS
unimrcp-azure-ss_1.7.17-bionic_amd64.deb
unimrcp-azure-ss_1.8.4-bionic_amd64.deb- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.17-focal_amd64.deb
unimrcp-azure-ss_1.8.4-focal_amd64.deb- Ubuntu 22.04 LTS
unimrcp-azure-ss_1.7.17-jammy_amd64.deb
unimrcp-azure-ss_1.8.4-jammy_amd64.deb
¶ Summary
This release adds support for lexicon URI optionally set in the HTTP request header.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for lexicon URI optionally set in the HTTP request header.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a new attribute 'lexicon-uri' to the element 'synth-settings'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.21.1
Apr 12, 2023
Microsoft Azure Speech Synthesis (SS) Plugin 1.21.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.16-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.3-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.16-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.3-1.el8.x86_64.rpm- Ubuntu 18.04 LTS
unimrcp-azure-ss_1.7.16-bionic_amd64.deb
unimrcp-azure-ss_1.8.3-bionic_amd64.deb- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.16-focal_amd64.deb
unimrcp-azure-ss_1.8.3-focal_amd64.deb
¶ Summary
This is a patch release fixing two minor issues.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Do not set the header field Ocp-Apim-Subscription-Key in the outgoing request when the subscription key is not specified (on-prem containers). This is a regression introduced since Azure SS 1.15.0 with the support of private endpoints causing no functional differences in most of the cases.
- Fixed generation of the <mstts:background> element which should be put in front of all <voice> elements and must be the first child of the <speak> element.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.21.0
Dec 30, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.21.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.15-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.2-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.15-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.2-1.el8.x86_64.rpm- Ubuntu 18.04 LTS
unimrcp-azure-ss_1.7.15-bionic_amd64.deb
unimrcp-azure-ss_1.8.2-bionic_amd64.deb- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.15-focal_amd64.deb
unimrcp-azure-ss_1.8.2-focal_amd64.deb
¶ Summary
The licensing toolkit has been extended to support flexible license distribution allowing for a more efficient use of licenses. The change applies to the use of floating licenses via a license server only. There are no functional changes in the use of node-bound licenses.
The licenses stored on a shared license store are dynamically re-distributed at runtime based on the actual usage. There is no need to pre-allocate a fixed number of licenses on initial loading of UniMRCP Server instances.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for flexible license distribution.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.20.0
Dec 6, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.20.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
Microsoft Text-to-Speech REST API
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 / CentOS 7
unimrcp-azure-ss-1.7.14-1.el7.x86_64.rpm
unimrcp-azure-ss-1.8.1-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-azure-ss-1.7.14-1.el8.x86_64.rpm
unimrcp-azure-ss-1.8.1-1.el8.x86_64.rpm- Ubuntu 18.04 LTS
unimrcp-azure-ss_1.7.14-bionic_amd64.deb
unimrcp-azure-ss_1.8.1-bionic_amd64.deb- Ubuntu 20.04 LTS
unimrcp-azure-ss_1.7.14-focal_amd64.deb
unimrcp-azure-ss_1.8.1-focal_amd64.deb
¶ Summary
This release adds support for MS TTS extension to SSML. Long voice names are replaced with corresponding short voice names in umsazurevoices.xml.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for MS TTS extension to SSML by allowing to specify 'silence', 'express-as', 'backgroundaudio' and 'viseme' elements either globally in the configuration file or per request via vendor-specific parameters.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a new element 'mstts-settings' to the document 'umsazuress'.
¶ Miscellaneous
- Using short voice names instead of long voice names in umsazurevoices.xml. Only the long voice names were available originally.
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.19.2
Oct 18, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.19.2 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.13-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.13-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.13-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.13-focal_amd64.deb)
¶ Summary
This is a patch release which fixes one minor issue.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Validate HTTP proxy URI, if used, on initial loading of the application not to cause a segfault if the host name is malformed.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.19.1
Sep 13, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.19.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.12-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.12-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.12-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.12-focal_amd64.deb)
¶ Summary
This is a patch release which fixes two problems.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Fixed support for private speech service endpoints. This is a regression introduced in 1.19.0.
- If an HTTP request times out when at least one or more data chunks are received but the HTTP request is not yet complete, continue streaming the received data to the MRCP client as is but set the completion-cause to error in SPEAK-COMPLETE.
¶ Configuration Parameters
- Added the EmilyNeural voice for en-IE to the default configuration file of voices.
- Fixed the language of the Heera voice to be en-IN but not en-IE.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.19.0
Aug 8, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.19.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.11-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.11-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.11-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.11-focal_amd64.deb)
¶ Summary
This release introduces support for multiple subscription key files specified per MRCP session. The release also adds support for vendor-specific parameters specified as query parameters of xml:base in SSML.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for multiple subscription key files.
- Allow the client to specify vendor-specific parameters via query parameters of the xml:base attribute in an SSML content.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a neural voice for en-IN to the default configuration file of voices.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.18.1
Jun 3, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.18.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.10-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.10-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.10-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.10-focal_amd64.deb)
¶ Summary
This release fixes a possible segfault.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Fixed a possible segfault occurred when two file entries (waveforms and/or SDRs) have the same creation time captured in msec, which is a very rare occasion not involved in the regular operation. This is a regression introduced in 1.17.0.
¶ Configuration Parameters
- Added neural voices for ca-ES to the default configuration file of voices.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.18.0
Apr 15, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.18.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.9-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.9-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.9-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.9-focal_amd64.deb)
¶ Summary
This release fixes a possible segfault and adds support for persistent connections.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for a persistent connection used for subsequent requests placed in the scope of a single MRCP session.
- Added the request id set in the HTTP requests to the SDRs.
¶ Fixed Problems
- Fixed a possible segfault, which could be encountered when a response to the access token revalidation request arrives late, after a pending SPEAK request is stopped and the associated MRCP session is closed.
¶ Configuration Parameters
- Added a new attribute 'persistent-connection' to the element 'synth-settings'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.17.0
Mar 28, 2022
Microsoft Azure Speech Synthesis (SS) Plugin 1.17.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.8-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.8-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.8-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.8-focal_amd64.deb)
¶ Summary
This release improves memory usage when caching is enabled and provides a few fixes.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for playing out wav files via SPEAK requests referenced either by file:// or http://localhost/utterances URIs.
- Set the SSL security level to 1 by default. This setting applies to the use of the license server on Ubuntu 20.04 and does not affect other supported distributions.
¶ Fixed Problems
- Fixed the status code on responses to SPEAK requests containing no body.
- Improved memory usage while dealing with a large set of cache records by loading a cache record from file on demand and releasing the memory after the cache record is no longer referenced.
- Fixed a possible memory leak occurred when two file entries (waveforms and/or SDRs) have the same creation time, which is a very rare occasion not involved in the regular operation.
¶ Configuration Parameters
- Added a new attribute 'security-level' to the element 'license-server'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
- Do not log an intentional warning if the voice-gender loaded from configuration is an empty string (not specified).
- Added new log statements related to the caching routine.
¶ Azure SS Plugin 1.16.0
Nov 1, 2021
Microsoft Azure Speech Synthesis (SS) Plugin 1.16.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.7-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.7-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.7-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.7-focal_amd64.deb)
¶ Summary
This release introduces support for load balancing and failover of service endpoints which can optionally be specified in the configuration file of the plugin.
The release provides a few fixes and improvements in the existing functionality.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for load balancing and failover of service endpoints specified in the configuration file of the plugin.
- Allow voice name and gender be also specified via Vendor-Specific-Parameters using voice-name and voice-gender tokens correspondingly.
- Output license and maintenance expiration dates to status files, if/when applicable.
¶ Fixed Problems
- Fixed a possible segfault on processing of the header field Logging-Tag having an empty [no] value.
¶ Configuration Parameters
- Added a new element 'service-endpoints' to the document 'umsazuress'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.15.1
Oct 14, 2021
Microsoft Azure Speech Synthesis (SS) Plugin 1.15.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.6-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.6-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.6-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.6-focal_amd64.deb)
¶ Summary
This release fixes a race condition in processing of the STOP request and the SPECH-COMPLETE event which could possibly cause a license deplation.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Fixed a race condition in processing of the STOP request and the SPECH-COMPLETE event which could possibly cause a license deplation
¶ Configuration Parameters
- None.
¶ Miscellaneous
- None.
¶ Azure SS Plugin 1.15.0
Sep 1, 2021
Microsoft Azure Speech Synthesis (SS) 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 Text-to-Speech REST API
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 binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.5-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.5-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.5-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.5-focal_amd64.deb)
¶ Summary
This release adds support for the Azure private service endpoints. The release also fixes a possible segfault.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for the Azure private service endpoints.
- Added more neural voices to the default configuration file of voices.
¶ Fixed Problems
- Fixed a possible segfault encountered on the MRCP session termination when a response to the ongoing speech synthesis request is delayed.
- In the default configuration file of voices, fixed the language of the standard voice name Naayf to be ar-SA instead of ar-EG.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Updated the Installation Guides to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.14.0
Jun 8, 2021
Microsoft Azure Speech Synthesis (SS) Plugin 1.14.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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-ss-1.7.4-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-azure-ss-1.7.4-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.4-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-azure-ss_1.7.4-focal_amd64.deb)
¶ Summary
This release makes the HTTP request timeout configurable.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Made HTTP request timeout configurable.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added new attributes 'request-timeout' and 'auth-request-timeout' to the element 'synth-settings'. The attributes default to 30 seconds.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.13.0
Nov 30, 2020
Microsoft Azure Speech Synthesis (SS) Plugin 1.13.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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-ss-1.7.3-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-azure-ss_1.7.3-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.3-bionic_amd64.deb)
¶ Summary
This release improves processing of HTTP chunked data and enhances debugging capabilities.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Improved processing of HTTP chunked data in order to start RTP streaming as soon as the first chunk is received.
- Set the HTTP header X-ConnectionId on every synthesis request placed to Azure TTS API, which can be used for debugging purposes while submitting a support ticket to MS.
¶ Fixed Problems
- Fixed a possible memory leak on processing the second and consecutive SPEAK requests in the scope of a single MRCP session.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Log not only status code but also status text extracted from received HTTP responses.
¶ Azure SS Plugin 1.12.0
Sep 1, 2020
Microsoft Azure Speech Synthesis (SS) Plugin 1.12.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
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-ss-1.7.2-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-azure-ss_1.7.2-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.2-bionic_amd64.deb)
¶ Summary
This release adds support for Speech Service containers which can be deployed in a strictly controlled environment.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for Speech Service containers.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Updated the Installation Guides to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.11.0
Jun 12, 2020
Microsoft Azure Speech Synthesis (SS) Plugin 1.11.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
Microsoft Text-to-Speech REST API
Libevent 2.1.9
Rapidjson 1.1.0
The plugin supports the following endpoints:
Speech Service
Bing Speech
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.7.1-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-azure-ss_1.7.1-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.7.1-bionic_amd64.deb)
¶ Summary
This release introduces support for caching of synthesized waveforms. Also, default prosody parameters can now be specified from configuration.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for caching of synthesized waveforms. See Sections 4.2 and 5.9 in the Usage Guide for more info.
- Default values of prosody pitch, contour, range, rate, duration and volume parameters can now be specified in umsgss.xml. See Section 4.2 in the Usage Guide for more info.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a new attribute 'caching' to the element 'synth-settings'. The attribute defaults to 'false'.
- Added new attributes 'prosody-pitch', 'prosody-contour', 'prosody-range', 'prosody-rate', 'prosody-duration', 'prosody-volume' to the element 'synth-settings'. The attributes are not set by default.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.10.0
Nov 5, 2019
Microsoft Azure Speech Synthesis (SS) Plugin 1.10.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
Microsoft Text-to-Speech REST API
Libevent 2.1.9
Rapidjson 1.1.0
The plugin supports the following endpoints:
Speech Service
Bing Speech
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.6.6-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-azure-ss_1.6.6-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.6.6-bionic_amd64.deb)
¶ Summary
This release adds support for HTTP proxy in communication with license servers available as a service.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for HTTP proxy in communication with license servers available as a service.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added new attributes 'http-proxy-address' and 'http-proxy-port' to the element 'license-server'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Azure SS Plugin 1.9.0
Aug 30, 2019
Microsoft Azure Speech Synthesis (SS) Plugin 1.9.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
Microsoft Text-to-Speech REST API
Libevent 2.1.9
Rapidjson 1.1.0
The plugin supports the following endpoints:
Speech Service
Bing Speech
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-azure-ss-1.6.4-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-azure-ss_1.6.4-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-azure-ss_1.6.4-bionic_amd64.deb)
¶ Summary
This is a release of Microsoft Azure SS plugin, the successor of Microsoft Bing SS plugin. The main purpose of this change is not to use the name Bing, which is associated with the speech service being decommissioned by Microsoft in October, 2019. The Azure plugin derives all the version and revision numbers from the outdated Bing plugin. While there are no functional changes introduced in this release, all the related artifacts, including the plugin name, configuration and status file names, documentation and webpages, have been renamed or replaced to reflect the change.
To facilitate migration of existing UniMRCP server installations from using Bing to Azure plugins, helper shell scripts are provided for Red Hat and Debian-based distributions in the following archive file.
upgrade_from_bing_to_azure.tar.gz
¶ Bing SS Plugin 1.8.0
Aug 20, 2019
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.8.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
Microsoft Bing Text to Speech API
Libevent 2.1.9
The plugin supports the following endpoints:
Bing Speech
Speech Service
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-bing-ss-1.6.3-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-bing-ss_1.6.3-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-bing-ss_1.6.3-bionic_amd64.deb)
¶ Summary
This release allows to specify a custom service endpoint per MRCP session. The release also fixes two minor issues.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Allow to specify a custom service endpoint per MRCP session via Vendor-Specific-Parameters.
¶ Fixed Problems
- While composing an SSML content based on supplied plain text input, make sure to quote special characters, if any, within XML elements.
- While selecting a voice based on specified language, language tags are now treated as case insensitive in accordance with RFC 5646.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Updated the Usage Guides to reflect the changes introduced in this release.
¶ Bing SS Plugin 1.7.0
Jul 12, 2019
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.7.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
Microsoft Bing Text to Speech API
Libevent 2.1.9
The plugin supports the following endpoints:
Bing Speech
Speech Service
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-bing-ss-1.6.2-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-bing-ss_1.6.2-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-bing-ss_1.6.2-bionic_amd64.deb)
¶ Summary
This release adds support for custom service endpoints.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for custom service endpoints. See Section 5.2 in the Installation Guide.
¶ Fixed Problems
- Fixed output format of an SDR to strictly conform to JSON.
¶ Configuration Parameters
- Added neural voices to umsbingvoices.xml.
¶ Miscellaneous
- Updated the Installation Guides to reflect the changes introduced in this release.
¶ Bing SS Plugin 1.6.0
Apr 19, 2019
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.6.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
Microsoft Bing Text to Speech API
Libevent 2.1.9
The plugin supports the following endpoints:
Bing Speech
Speech Service
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-bing-ss-1.6.1-2.el7.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-bing-ss_1.6.1-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-bing-ss_1.6.1-bionic_amd64.deb)
¶ Summary
This release adds support for HTTP proxy, introduces binaries for Ubuntu 18.04 LTS and fixes a few problems.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for HTTP proxy.
- Set an alarm in the status file if the license server is not reachable for a certain period of time, but the service is not yet affected. Clear the alarm as soon as the license server becomes available. See Section 6.2 in the Usage Guide.
- If 'bypass-ssml' is set to false, and multiple voice elements are present in supplied SSML, then the content is split into multiple segments per voice element. Each segment is sent to the service in a sequential order. Streaming to the client is started as soon as synthesis of the first segment is complete.
¶ Fixed Problems
- Added support for optional parameters set in the header field Content-Type [application/ssml+xml; charset=utf-8]. Fixed interoperability with Genesys PureConnect.
- If an annual node-bound license is used, the expiration time of the license could be provisioned incorrectly, requiring a restart of the service in order to continue normal operation.
- If a SPEAK request is stopped when synthesized speech is being streamed to the client, then the remaining part of the synthesized speech could be left in media buffer and be streamed on a consecutive SPEAK request received in the scope of the same MRCP session. Fixed interoperability with AEP.
- When license server is in use, fixed processing of a connection hang-up event occurred when a license refresh request is being sent to the license server. This event could result in a few seconds-long outage of the service.
¶ Configuration Parameters
- Added a new attribute 'http-proxy' to the element 'synth-settings'.
¶ Miscellaneous
- Updated the Installation Guides to reflect the changes introduced in this release.
- Patched the Libevent library to properly support communication via HTTP proxy. The resulted package is based on 2.1.8 and released as 2.1.9.
¶ Bing SS Plugin 1.5.0
Oct 25, 2018
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.5.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The plugin supports the following endpoints:
Bing Speech
Speech Service
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
This release adds support for new regional Speech Service endpoints by retaining the support for the non-regional Bing Speech endpoint. The release also fixes processing of malformed SPEAK requests with an empty body.
Everyone is encouraged to upgrade and start gradually migrating to the new Speech Service endpoints. While nothing has to be changed in the configuration or subscription data, check out the new data format described in Section 5 in the Installation Guide.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for new regional Speech Service endpoints. See Section 5 in the Installation Guide.
¶ Fixed Problems
- Fixed processing of SPEAK requests with an empty body to return an error.
- All the internal common class names are declared under a unique namespace not to cause a conflict with other speech synthesis plugins being loaded in to the same instance of UniMRCP server.
¶ Configuration Parameters
- None.
¶ Miscellaneous
- Updated the Installation Guides to reflect the changes introduced in this release.
¶ Bing SS Plugin 1.4.0
Aug 10, 2018
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.4.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
This release adds support for collection of synthesis details records (SDR) and synthesized waveforms, which can be later analyzed and listened offline.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for collection of synthesis details records (SDR) and synthesized waveforms, which can be later analyzed and listened offline.
- Keep track of the maximum number of channels used concurrently. This number is logged by default within the statement 'BingSS Usage' and can also be written in the status file, if enabled.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a new element 'waveform-manager'.
- Added a new element 'sdr-manager'.
¶ Miscellaneous
- Updated the Usage Guide to reflect the changes introduced in this release.
¶ Bing SS Plugin 1.3.0
Jun 18, 2018
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.3.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
This release allows the voice name and gender parameters be specified globally from configuration file.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- Added support for the default voice name and gender parameters be optionally specified from configuration file.
¶ Fixed Problems
- None.
¶ Configuration Parameters
- Added a new attribute 'voice-name' to the element 'synth-settings', which is not specified by default.
- Added a new attribute 'voice-gender' to the element 'synth-settings', which is not specified by default.
¶ Miscellaneous
- Updated the Usage Guide accordingly.
¶ Bing SS Plugin 1.2.0
May 23, 2018
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.2.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
This release fixes a specific problem in communication with the license server.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ Fixed Problems
- When a license refresh request, sent to the license server, timed out due to a sporadic network problem, the plugin would have permanently remained out of service until next restart of the UniMRCP server. Now, the behavior has been fixed to reattempt the connection to the license server in such an event, without causing any interruption in service.
¶ Miscellaneous
- A new entry 'license permit' has been added to the usage status file. The parameter is set either to 'true' or 'false' and indicates the current status of the license enforcement.
- The plugin configuration will no longer be overwritten while upgrading the .deb package. The RPM package was not affected.
¶ Bing SS Plugin 1.1.0
Apr 9, 2018
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.1.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
This release fixes processing of optional charset parameter specified with the content type 'text/plain' and also provides a few minor improvements.
¶ Changes
The detailed list of changes introduced in this release follows.
¶ New Features
- None.
¶ Fixed Problems
- Skip any leading or trailing white-spaces while reading subscription key from file.
- Fixed processing of optional charset parameter specified with the content type 'text/plain'. Interoperability with IVR from HPE.
¶ Configuration Parameters
- Renamed two voice names (Vit -> Jacub and Shaun -> Sean) to reflect the change made by Microsoft since end of January 2018.
¶ Miscellaneous
- Log header fields of received HTTP responses using log level DEBUG instead of INFO.
¶ Bing SS Plugin 1.0.0
Nov 12, 2017
Microsoft Bing Speech Synthesis (BingSS) Plugin 1.0.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
Microsoft Bing Text to Speech API
Libevent 2.1.8
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
¶ Summary
The plugin allows IVR platforms to utilize the Microsoft Bing Text to Speech API via MRCP. The connection to the globally accessible service is maintained via RESTful API, which ensures secure, reliable transmission of data over the Internet.
The Bing Text to Speech API provides a large variety of voices to choose from, having all the major languages supported.