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Welcome

Media Resource Control Protocol (MRCP) allows to control media processing resources over the network using distributed client/server architecture. Media processing resources include

  • Speech Synthesizer (TTS)
  • Speech Recognizer (ASR)
  • Speech Recorder (SR)
  • Speaker Verifier (SV)

MRCP is not a stand alone protocol and it relies on various VoIP protocols such as

  • SIP (MRCPv2), RTSP (MRCPv1) session management
  • SDP offer/answer model
  • RTP media streaming

UniMRCP is an open source cross-platform MRCP implementation, which provides everything required for MRCP client and server side deployment. UniMRCP encapsulates SIP/MRCPv2, RTSP, SDP and RTP stacks inside and provides MRCP version independent user level interface for the integration.

Everybody is welcome to join the community, use and make the project better by participating in discussions, raising issues, providing patches.

Recent Announcements

  • RTCP Implemented The RTP control protocol (RTCP) has been implemented in the trunk.RTCP allows to monitor RTP delivery. The protocol is based on periodic transmission of control packets. The primary function ...
    Posted ‎‎Nov 19, 2009 5:21 AM‎‎ by Arsen Chaloyan
  • Recorder Resource Supported Now UniMRCP supports recorder resource too. This resource allows to capture and store audio and video streams. The use cases are evident for telephony platforms which provide call recording and ...
    Posted ‎‎Nov 4, 2009 6:01 AM‎‎ by Arsen Chaloyan
  • UniMRCP 0.8.0 Released UniMRCP 0.8.0 (r1199) has been released and now is available for download.Source Distributionhttp://unimrcp.googlecode.com/files/unimrcp-0.8.0.tar.gzhttp://unimrcp.googlecode ...
    Posted ‎‎Oct 19, 2009 12:36 AM‎‎ by Arsen Chaloyan
  • UniMRCP 0.7.0 Released UniMRCP 0.7.0 (r1064) has been released and now is available for download. Source Distribution http://unimrcp.googlecode.com/files/unimrcp-0.7.0.tar.gz http://unimrcp.googlecode ...
    Posted ‎‎Jul 22, 2009 9:29 PM‎‎ by Arsen Chaloyan
  • Flite Plugin Available I would like to announce the availability of Flite TTS plugin for UniMRCP server. Special thanks goes to Garmt, who initially contributed and helped develop the plugin. Currently supported TTS ...
    Posted ‎‎Jul 7, 2009 8:18 AM‎‎ by Arsen Chaloyan
Showing posts 1 - 5 of 18. View more »

Status

Compliance
MRCPv1 (RFC 4463)
MRCPv2 (Draft 20)


Platforms (OS)
Windows
Linux
Unix variants
MRCP Resources
Speech Synthesizer (TTS)
Speech Recognizer (ASR)
Speech Recorder (SR)


Language: C / C++




Cepstral sponsors UniMRCP project and offers Cepstral's TTS voices via MRCP using open source UniMRCP server.


Sponsorship ensures the health, sustainability and encourages growth of UniMRCP project. Become a sponsor, go along  and benefit with UniMRCP.