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SPEECH TECHNOLOGY

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					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   •Statistics
        •Physiology         Pattern Recognition
        •Psychology     •Communication Theory
  •Signal Processing    •Computer Science: A.I.
•Acoustics (Physics)        Heuristics / Machine Learning
             Speech Technology
SPEECH TECHNOLOGY

        WHERE DOES
    SPEECH TECHNOLOGY
         FIND ITS
      APPLICATIONS ??
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
                  CHALLENGES
High 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
 WHAT ARE WE DOING CURRENTLY ??

  2. SPEECH RECOGNITION

  3. PROSODY MANIPULAITON


      MANIPULATED SPEECH 1

      MANIPULATED SPEECH 2
SPEECH TECHNOLOGY
 WHAT ARE WE DOING CURRENTLY ??

  4. SPEECH ENABLED INTERFACES (Web, PDAs)




 5. READING AID FOR VISUALLY IMPAIRED
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 ]

				
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