C-DAC is working in the area of speech recognition and synthesis. Some of the major technologies/solutions available are:

• Text-to-Speech for Hindi, Malayalam, Bangla, Mizo and Nepali
• Shruti Drishti : An Integrated Text-to-Speech and Text-to-Braille System
• ASR (Automatic Speech Recognition) System for Hindi, Bangla and Malayalam
• Speech-to-Speech translation system as an outcome of international consortium, Universal Speech Translation Advanced Research (U-STAR) among various languages of the world

Natural Language Processing

C-DAC has core NLP strength of over 20 years in Spell checkers, Homo Phone Engines, Visual Thesaurus, Dictionaries, Grammar Checkers, Online Dictionaries and Kosh, Lemmatiser, Data De-dupulication solutions (Namescape), etc.

C-DAC has developed various technologies such as Transliteration technologies, NLP based Search technologies for Indian Languages and Perso-Arabic Script.