Course-Introduction-2010

Course-Introduction-2010 - Welcome to 6.345 Automatic...

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Course Introduction 1 6.345 Automatic Speech Recognition (2010) Welcome to 6.345 Automatic Speech Recognition https://stellar.mit.edu/S/course/6/sp10/6.345
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Course Introduction 2 6.345 Automatic Speech Recognition (2010) Course Introduction Staff – Lectures: Jim Glass and Victor Zue (+ guest lecturers) – TA: Ian McGraw Introduction to ASR – Problem Defnition – State oF the Art – Demos Course Overview – Lecture Outline – Grading
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Course Introduction 3 6.345 Automatic Speech Recognition (2010) Speech Text Recognition Speech Text Synthesis Understanding Generation Communication via Spoken Language Meaning Human Computer Input Output
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Course Introduction 4 6.345 Automatic Speech Recognition (2010) Speech interfaces are ideal for information access and management when: • The information space is broad and complex, • The users are technically naive, or • Only telephones are available. Virtues of Spoken Language Natural: Requires no special training Flexible: Leaves hands and eyes free Ef±cient: Has high data rate Economical: Can be transmitted/received inexpensively
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Course Introduction 5 6.345 Automatic Speech Recognition (2010) Syntactic: Meet her at the end of Main Street Meter at the end of Main Street Semantic: Is the baby crying Is the bay bee crying Discourse Context: It is easy to recognize speech It is easy to wreck a nice beach Others: I'm fying to Chicago tomorrow I'm Fying to Chicago tomorrow Diverse Sources of Knowledge for Spoken Language Communication Acoustic-Phonetic: Let us pray Lettuce spray
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Course Introduction 6 6.345 Automatic Speech Recognition (2010) Automatic Speech Recognition An ASR system converts the speech signal into words The recognized words can be – The fnal output, or – The input to natural language processing ASR System Speech Signal Recognized Words
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Course Introduction 7 6.345 Automatic Speech Recognition (2010) Application Areas for Speech Based Interfaces Mostly input (recognition only) – Simple command and control – Simple data entry (over the phone) – Dictation Interactive conversation (understanding needed) – Information kiosks – Transactional processing – Intelligent agents
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This note was uploaded on 05/08/2010 for the course CS 6.345 taught by Professor Glass during the Spring '10 term at MIT.

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Course-Introduction-2010 - Welcome to 6.345 Automatic...

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