dhvani - TTS system for indian languages

News

15, Nov , 2008:
Dhvani 0.94 Released

A new version of Dhvani -The Indian Language Text to Speech System is available now. The new version comes with the following improvements/features

Support for 11 languages- Hindi, Panjabi, Gujarati, Marati, Bengali, Oriya, Telugu, Kannada, Tamil , Malayalam and Pashto(Afganistan)
Pitch and Tempo modification for speech
Direct ogg-vorbis speech output and optional wav output format

C/C++ APIs for applications to use dhvani as a shared library.
Generic driver for Speech-dispatcher and Integration to Orca through speech dispatcher
Python binding through speech dispatcher
Improved language detection algorithm

Dhvani documentation is available here. Binary packages and source code are available here
Thanks

Rahul Bhalerao for Marathi module and patches
Zabeehkhan for Pashto Module
Nirupama, CDAC Chennai and CDAC Noida people for testing and reporting bugs
NRCFOSS Chennai, Krishnakanth Mane and many others for feedbacks
Amida Simputer team for patches on Telugu module especially the Telugu number reading logic
Debayan and Roshan for testing and informing problems

There was good amount of code change in this version. Still there are many improvements to do in language modules and synthesizer. Some of the language modules requires developers who speak that language. Syntheziser got some improvements and require some amount of research to make the speech more natural. So your feedbacks, suggestions, bug reports and patches are valuable.

24, June , 2008:
Marathi Support is available in the CVS now. Thanks to Rahul Bhalerao.

15, May , 2008:
Tamil Support is available in the CVS now. Help from Tamilian developers are requested to correct the pronunciation

12, April, 2008:
Dhvani won the FOSS India award 2008, an award by Linux For You Magazine to idendify the Indian FOSS Contributions. Dhvani was in 3rd position and scored 76 out of 100 in the evaluation

More news about the award
Linux for You Magazine April 2008 issue had an article on Dhvani