ShrutLekhan - Rajbhasha

ShrutLekhan – Rajbhasha

ShrutLekhan-Rajbhasha, a Hindi speaker independent, continuous speech recognition system is a milestone in the field of Speech technology that enables a machine to recognise human speech and provide an output in Hindi Unicode. This project has been developed by Applied AI Group, C-DAC, Pune for Department of Official Language [DOL], Ministry of Home Affairs, Government of India. ShrutLekhan-Rajbhasha is used as a tool in MANTRA-Rajbhasha (Machine Assisted Translation) system to correct the translated Hindi text. Recognizer improves recognition through the use of grammar (Language Module), which defines the vocabulary and syntax.

The user communicates with the application through the appropriate input device i.e. a microphone. The Recognizer converts the analog signal into digital signal for the speech processing. A stream of text is generated after the processing.

Salient Features:

  • Output is in UNICODE, a universally accepted font Facility to convert UNICODE text into ISFOC fonts
  • Unicode Hindi typing help
  • Facility for Undo, Redo, Cut, Copy, Past, Select ALL, Find and Replace
  • Runtime displaying Punctuation marks, Date, Number and Currency formats
  • Text correction facility
  • Bilingual typing & editing facility
  • Floating Toolbar provided for MS Word, MS Excel, MS Paint and Notepad
  • Off-line wave audio wave file input facility has been incorporated for the user to transcribe his/her stored audio wave file into Hindi text
  • Facility for typing through Inscript, Remington and Phonetic keyboards


Contact Us

Centre for Development of Advanced Computing
Applied AI Group, 4th Floor,
C-DAC Innovation Park,
Panchavati, Pashan,
Pune - 411 008.
Phone No.: (020) 25503314 / 15