Hello There

I am D. S. Pavan Kumar.
I do research in
speech technology.


More About Me

I am a research assistant at Idiap Research Institute and a PhD candidate at École polytechnique fédérale de Lausanne. I work on automatically assessing speech in terms of intelligibility, quality and speaker traits, and also on automatic speech recognition.




sample-imageI did my Master of Science by Research from Indian Institute of Technology Madras, Chennai, India. I worked on feature normalisation for robust speech recognition.

sample-imageI received my Bachelor of Engineering in Electronics and Communication from Andhra University, Visakhapatnam.


  • 90%
  • 90%
  • 90%
  • 75%
  • 85%
    Bash Scripting
  • 75%

My Work Experience.

April 2017 - Present

Idiap Research Institute

Research Assistant

sample-imageAutomatic speech assessment and recognition.

September 2015 - March 2017

Interactive Intelligence (now Genesys)

Senior Speech Engineer

sample-imageLocated in Hyderabad, India, I worked on building ASR models for six languages that went into the commercial product for small vocabulary ASR systems. I worked on deep learning techniques for improved efficacy and analysed ASR hypotheses to improve lexicons, LMs and phone definitions.

September 2015 - November 2013

Samsung R&D Institute India

Lead Engineer and Senior Software Engineer

sample-imageLocated in Bangalore, I worked on robust feature extraction techniques, implemented data selection techniques for ASR training, built and tested acoustic models using large data for multiple languages.

January 2011 - October 2013

Indian Institute of Technology Madras

Research and Teaching Assistant

sample-imageWorked as teaching Assistant during masters, for Signal and Speech Processing courses.


Say hello.


303-2 Centre du Parc
Rue Marconi 19
Martigny CH-1920.