Product Information

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Bangla Vaani, a Bengali Text to Speech System is a type of assistive technology. The synthesis technique used in Bangla Vaani is Epoch Synchronous Non-Overlap Add (ESNOLA) and the unit used in this TTS is partneme (part of two phonemes). It is an indigenous technique of synthesizing units under unit selection based concatenative TTS.

Use Cases
  • Screen Reader
  • Assistive technology for both blind and dyslexic student
  • Health informatics
  • Speech to speech translation system
  • Weather forecasting
Salient Features
  • Supports unlimited vocabulary with text normalization
  • Low footprint system, less memory requirements.
  • Easy to integrate with other applications.
  • Easy to be integrated with handheld devices
  • TTS output with prosody incorporated

Technical Specifications

  • Windows based standalone application
  • Supports UTF-8 input for Bangla Text.



Platform Required (if any)

  • Windows OS.


Contact Details for Techno Commercial Information

Advance Signal Processing Group, Speech Processing Section

Mr. Joyanta Basu

Email: joyanta.basu[at]cdac[dot]in

Phone No.: 033-2357-9846, Ext: 329 & 255