SPEECH TECHNOLOGY

Answers to some Questions

SPEECH TECHNOLOGY

WHAT IS SPEECH TECHNOLOGY ABOUT ??

SPEECH TECHNOLOGY IS ABOUT PROCESSING HUMAN SPEECH

as SIGNAL as a form of LANGUAGE

SPEECH TECHNOLOGY

WHAT ALL IS INVOLVED IN PROCESSING SPEECH ??

MULTI-DISCIPLINARY FIELD•Linguistics•Physiology

•Psychology •Signal Processing

•Acoustics (Physics)

•Statistics Pattern Recognition•Communication Theory•Computer Science: A.I. Heuristics / Machine Learning

Speech Technology

SPEECH TECHNOLOGY

WHERE DOESSPEECH TECHNOLOGY

FIND ITSAPPLICATIONS ??

SPEECH TECHNOLOGY

WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??

1. MAN MACHINE INTERFACES

TALKING MACHINES (TERMINATOR)

TELEPHONIC INTERFACES

SPEECH ENABLED WEB INTERFACES

INTERFACES FOR THE DISABLED

SPEECH TECHNOLOGY

WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??

2. COMMUNICATIONS

SPEECH CODING / COMPRESSION

SPEECH ENHANCEMENT

(in noisy environments)

SPEECH TECHNOLOGY

WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??

3. BIOMETRICS

SPEAKER IDENTIFICATION

SPEECH TECHNOLOGY

WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??

4. ENTERTAINMENT TECHNOLOGY

SINGING MACHINES

VOICE CONVERSION

SPEECH TECHNOLOGY

CHALLENGESHigh Performance Speech Recognition

Systems

• Automatic Speech Recognizers for Indian languages(no major systems available)

• Audio-Visual Speech recognition

• Speech Recognition in tiny / mobile devices [ Robots, Watches (Bond Stuff) ]

SPEECH TECHNOLOGY

CHALLENGES

Naturally Speaking Synthesis Systems

• Indian Language T. T. S. (Improvements and extensions to various Indian Languages)

• Customizable T.T.S.

• Ability to produce Emotional Speech

SPEECH TECHNOLOGY

WHAT ARE WE DOING CURRENTLY ??

1. INDIAN LANGUAGE SPEECH SYNTHESIS http://speech.iiit.net/

SYNTHESIZED SPEECH 1

SYNTHESIZED SPEECH 2

SPEECH TECHNOLOGY

2. SPEECH RECOGNITION

3. PROSODY MANIPULAITON

MANIPULATED SPEECH 1

MANIPULATED SPEECH 2

WHAT ARE WE DOING CURRENTLY ??

SPEECH TECHNOLOGY

4. SPEECH ENABLED INTERFACES (Web, PDAs)

5. READING AID FOR VISUALLY IMPAIRED

WHAT ARE WE DOING CURRENTLY ??

SPEECH TECHNOLOGY

WHO WILL YOU BE WORKING WITH ??

• S. P. Kishore (Ph.D. @ CMU, Scientist @ IIIT)

• Prof. Rajeev Sangal

• Dr. Vasudeva Varma

• Close Association with Faculty Members

of Speech Group at CMU

• Me (Rohit Kumar)

SPEECH TECHNOLOGY

QUESTIONS

[ speech@iiit.net ]