s peech t echnology answers to some questions. s peech t echnology what is speech technology about...
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SPEECH TECHNOLOGY
Answers to some Questions
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SPEECH TECHNOLOGY
WHAT IS SPEECH TECHNOLOGY ABOUT ??
SPEECH TECHNOLOGY IS ABOUT PROCESSING HUMAN SPEECH
as SIGNAL as a form of LANGUAGE
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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
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SPEECH TECHNOLOGY
WHERE DOESSPEECH TECHNOLOGY
FIND ITSAPPLICATIONS ??
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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
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SPEECH TECHNOLOGY
WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??
2. COMMUNICATIONS
SPEECH CODING / COMPRESSION
SPEECH ENHANCEMENT
(in noisy environments)
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SPEECH TECHNOLOGY
WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??
3. BIOMETRICS
SPEAKER IDENTIFICATION
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SPEECH TECHNOLOGY
WHERE DOES SPEECH TECHNOLOGY FIND ITS APPLICATIONS ??
4. ENTERTAINMENT TECHNOLOGY
SINGING MACHINES
VOICE CONVERSION
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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) ]
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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
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SPEECH TECHNOLOGY
WHAT ARE WE DOING CURRENTLY ??
1. INDIAN LANGUAGE SPEECH SYNTHESIS http://speech.iiit.net/
SYNTHESIZED SPEECH 1
SYNTHESIZED SPEECH 2
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SPEECH TECHNOLOGY
2. SPEECH RECOGNITION
3. PROSODY MANIPULAITON
MANIPULATED SPEECH 1
MANIPULATED SPEECH 2
WHAT ARE WE DOING CURRENTLY ??
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SPEECH TECHNOLOGY
4. SPEECH ENABLED INTERFACES (Web, PDAs)
5. READING AID FOR VISUALLY IMPAIRED
WHAT ARE WE DOING CURRENTLY ??
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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)