Ch0-Introduction

Ch0-Introduction - Search and Decoding in Speech...

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Search and Decoding in  Speech Recognition Introduction
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February 13, 2012 Veton Këpuska 2 Introduction Introduction to Search and Decoding in  Speech Recognition Problem definition: Communication via  Written/Spoken Language General Written/Spoken Language  Understanding System Concepts and Areas in Speech and  Language Understanding Required Knowledge Models and Algorithms
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February 13, 2012 Veton Këpuska 3 Course overview Lecture Outline Assignments Project Grading
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February 13, 2012 Veton Këpuska 4 Lecture Outline Introduction Regular Expressions and Finite State Automata Morphology and Finite State Transducers Computational Phonology and Text-to-Speech Probabilistic Model of Pronunciation and Spelling N-grams Hidden Markov Models and Automatic Speech Recognition Word Classes and Part-of-Speech Tagging Context Free Grammars for English Parsing with Context-Free Grammars Probabilistic parsing Semantics: Representing Meaning Semantic Analysis Dialog and Conversational Agents Machine Translation
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February 13, 2012 Veton Këpuska 5 Course Logistics Lectures: Two sessions/week, 1:15 hours /session Grading (Tentative) Assignments  40% Final Project  60% Textbook: Speech and Language Processing: An Introduction to  Natural Language Processing, Computational Linguistics,  and Speech Recognition. Daniel Jurafsky and James H. Martin Prentice Hall http://www.cs.colorado.edu/~martin/SLP
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Communication via Spoken  Language
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February 13, 2012 Veton Këpuska 7 Communication via Spoken Language   Speech Speech Input Output Text Text Meaning Understanding Generation Human Computer
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February 13, 2012 Veton Këpuska 8 Virtues of Spoken Language Natural:       Requires no special training Flexible:       Leaves hands and eyes free Efficient:       Has high data rate Economical:    Can be transmitted/received inexpensively 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 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
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February 13, 2012 Veton Këpuska 9 General Spoken Understanding  System
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UNDERSTANDING NATURAL UNDERSTANDING PROBLEM
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February 13, 2012 Veton Këpuska 11 Space Odyssey 2001 Dave Bowman:  “Open the pod bay doors, HAL” HAL: “I’am sorry Dave, I’m afraid I can’t do that.” Stanley Kubric and Arthur C. Clarke Screen play of “2001: A Space Oddyssey”
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February 13, 2012 Veton Këpuska 12 HAL 9000 Computer Advanced Computer with following  capabilities: Language Processing  Speaking Understanding (English) Lip Reading, etc.
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Ch0-Introduction - Search and Decoding in Speech...

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