The document discusses speech and signal processing work in India and elsewhere. It notes some differences between academic institutions and companies in their areas of focus for this work, potentially due to differences in available data and local needs. It also outlines some challenges specific to speech recognition in India, such as the large number of languages and dialects, limited available speech data, and characteristics of spoken Indian languages. The document argues this justifies different solutions for Indian languages compared to other areas.

1. –Some Thoughts–
Signal and Speech Processing in India and
Elsewhere
Dr Sunil Kumar Kopparapu
SunilKumar.Kopparapu@TCS.COM
TCS Innovation Labs - Mumbai
Tata Consultancy Services Ltd, Yantra Park,
Thane (West), Maharastra 400601,
INDIA.
August 21, 2014
1 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

2. ICSSP 2014: Accepted (≡ Confirmed) Papers
Picked from http://icssp.ecetkmce.com/publish list.pdf
the list of confirmed papers
in International Conference on Signal and Speech Processing 2014.
2 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

3. ICSSP 2014: Accepted (≡ Confirmed) Papers
Picked from http://icssp.ecetkmce.com/publish list.pdf
the list of confirmed papers
in International Conference on Signal and Speech Processing 2014.
2 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

4. ICSSP 2014: Accepted (≡ Confirmed) Papers
↓ Process
2 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

5. ICSSP 2014: Accepted (≡ Confirmed) Papers
Speech and Signal Processing work happening (in India?)
Created using Wordle - http://www.wordle.net/create
2 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

6. Speech Signal Processing - Elsewhere
Picked top two links returned for ”speech signal processing”
Happened to be Microsoft and Google!
Picked up their 2014 publication titles!
3 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

7. Speech Signal Processing - Elsewhere
Picked top two links returned for ”speech signal processing”
Happened to be Microsoft and Google!
Picked up their 2014 publication titles!
3 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

8. (Unfair?) Comparison
4 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

9. (Unfair?) Comparison
Quick Observations
Top in the search list – academic institutes vs companies
4 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

10. (Unfair?) Comparison
Quick Observations
Top in the search list – academic institutes vs companies
Difference in work
4 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

11. (Unfair?) Comparison
Quick Observations
Top in the search list – academic institutes vs companies
Difference in work
because of availability of data?
local conditions?
local requirements?
4 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

12. (Unfair?) Comparison
Quick Observations
Top in the search list – academic institutes vs companies
Difference in work
because of availability of data?
local conditions?
local requirements?
Good or Bad?
4 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

13. India Specific Scenarios (Speech Recognition)
Number of Languages (dialects, accents)
Data (speech corpus) availability
Noise Play
People-Machine interaction comfort
Spoken Variations
(Eg. Kopparapu, Yerraguntla, Thangal Kunju Musaliar)
Use of more than one language in a sentence
....
–
5 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

14. India Specific Scenarios (Speech Recognition)
Number of Languages (dialects, accents)
Data (speech corpus) availability
Noise Play
People-Machine interaction comfort
Spoken Variations
(Eg. Kopparapu, Yerraguntla, Thangal Kunju Musaliar)
Use of more than one language in a sentence
....
Different set of Problems requires different set of Solutions
–
5 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

15. India Specific Scenarios (Speech Recognition)
Number of Languages (dialects, accents)
Data (speech corpus) availability
Noise Play
People-Machine interaction comfort
Spoken Variations
(Eg. Kopparapu, Yerraguntla, Thangal Kunju Musaliar)
Use of more than one language in a sentence
....
Different set of Problems requires different set of Solutions
–
Difference is Good
5 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.

16. Thank You
Queries? | Comments | Suggestions?
Dr Sunil Kopparapu
SunilKumar.Kopparapu@TCS.Com
TCS Innovation Lab - Mumbai
Tata Consultancy Services Limited
Loc: 72.977265, 19.225129 Yantra Park, Thane (West), India.
Thank You
6 / 6 Dr. Sunil Kumar Kopparapu c Speech and NLP Group @ TCS Innovation Lab - Mumbai.