automatic speech recognition system
TRANSCRIPT
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AUTOMATIC SPEECH RECOGNITION
SYSTEM
ALOK KR. TIWARI
B.tech(EE)
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Content:-
INTRODUCTION BLOCK DIAGRAM WORKING NEED & IMPORTANCE SPEECH RECOGNITION USED IN BENEFITS CONCLUSION REFRENCE
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Introduction
Automatic speech recognition (ASR) can be defined as the independent, computer‐driven transcription of spoken language into readable text in real time.
ASR is technology that allows a computer to identify the words that a person speaks into a microphone or telephone and convert it to written text.
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Transducer
A/DConverte
r
Controller
BLOCK DIAGRAM:
Memory
Device Response
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WHAT IS? TASK UNDERSTANDING VOICE COMMAND
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Working
The goal of an ASR system is to accurately and efficiently convert a speech signal into a text message transcription of the spoken words independent of the speaker, environment or the device used to record the speech (i.e. the microphone).
Work like a human body.
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HOW DO HUMANS DO IT?
I. SOUND WAVES PRODUCEDII. WAVES REACHES THE EARSIII. FORWARDED TO BRAIN FOR UNDERSTANDING IT
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HOW MIGHT COMPUTER DO THIS?
DIGITIZATIONANALYSIS OF SIGNALINTERPRETATION OF
SIGNAL
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NEED & IMPORTANCE:
The development of speech activation and recognition technology was funded by the National Science Foundation (NSF) and the Defense Department's Defense Advanced Research Projects Agency (DARPA). Much of the initial research, performed with NSA and NSF funding, was conducted in the 1980s. (Source: Global Security.Org)
For those people who are not physically active to do their own work.
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SPEECH RECOGNITION USED IN:
SMART PHONES FOR SEARCHING AND NAVIGATION FACILITIES
ARTIFICIAL INTELLIGENCE SYSTEMS eg: ROBOT
HOME AUTOMATION SYSTEMS IN COMPUTER
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SOFTWARE TO BE USED:
VISUAL STUDIO
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TECHNOLOGIES USED:
ASP.netC#
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BENEFITS:
I. HANDS-FREE USE
II. READING AND SPEECH
III.SPELLING
IV.EASILY OPERATE
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CONCLUSION:
The Future scope of the system is very good. This Technology is Beneficial for public and
private sectors of the business community. The Technology is easily use by children and
adults.
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REFRENCE:
B.H. Juang & Lawrence R. Rabiner #Georgia Institute of Technology, Atlanta & Rutgers University and the University of California, Santa Barbara
www.docsoft.com.www.Google.com.
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