Yau Pui Yuk. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2002. / Includes bibliographical references (leaves 147-152). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Overview --- p.1 / Chapter 1.2 --- Speech Recognition --- p.2 / Chapter 1.2.1 --- How Speech Recognition Works --- p.3 / Chapter 1.2.2 --- Types of Speech Recognition Tasks --- p.4 / Chapter 1.2.3 --- Variabilities in Speech 一 a Challenge for Speech Recog- nition --- p.6 / Chapter 1.3 --- Performance Prediction of Speech Recognition Task --- p.7 / Chapter 1.4 --- Thesis Goals --- p.9 / Chapter 1.5 --- Thesis Organization --- p.10 / Chapter 2 --- Background --- p.11 / Chapter 2.1 --- The Acoustic-phonetic Approach --- p.12 / Chapter 2.1.1 --- Prediction based on the Degree of Mismatch --- p.12 / Chapter 2.1.2 --- Prediction based on Acoustic Similarity --- p.13 / Chapter 2.1.3 --- Prediction based on Between-Word Distance --- p.14 / Chapter 2.2 --- The Lexical Approach --- p.16 / Chapter 2.2.1 --- Perplexity --- p.16 / Chapter 2.2.2 --- SMR-perplexity --- p.17 / Chapter 2.3 --- The Combined Acoustic-phonetic and Lexical Approach --- p.18 / Chapter 2.3.1 --- Speech Decoder Entropy (SDE) --- p.19 / Chapter 2.3.2 --- Ideal Speech Decoding Difficulty (ISDD) --- p.20 / Chapter 2.4 --- Chapter Summary --- p.23 / Chapter 3 --- Components for Predicting the Performance of Speech Recog- nition Task --- p.24 / Chapter 3.1 --- Components of Speech Recognizer --- p.25 / Chapter 3.2 --- Word Similarity Measure --- p.27 / Chapter 3.2.1 --- Universal Phoneme Symbol (UPS) --- p.30 / Chapter 3.2.2 --- Definition of Phonetic Distance --- p.31 / Chapter 3.2.3 --- Definition of Word Pair Phonetic Distance --- p.45 / Chapter 3.2.4 --- Definition of Word Similarity Measure --- p.47 / Chapter 3.3 --- Word Occurrence Measure --- p.62 / Chapter 3.4 --- Chapter Summary --- p.64 / Chapter 4 --- Formulation of Recognition Error Predictive Index (REPI) --- p.65 / Chapter 4.1 --- Formulation of Recognition Error Predictive Index (REPI) --- p.66 / Chapter 4.2 --- Characteristics of Recognition Error Predictive Index (REPI) --- p.74 / Chapter 4.2.1 --- Weakness of Ideal Speech Decoding Difficulty (ISDD) --- p.75 / Chapter 4.2.2 --- Advantages of Recognition Error Predictive Index (REPI) --- p.79 / Chapter 4.3 --- Chapter Summary --- p.82 / Chapter 5 --- Experimental Design and Setup --- p.83 / Chapter 5.1 --- Objectives --- p.83 / Chapter 5.2 --- Experiments Preparation --- p.84 / Chapter 5.2.1 --- Speech Corpus and Speech Recognizers --- p.85 / Chapter 5.2.2 --- Speech Recognition Tasks --- p.93 / Chapter 5.2.3 --- Evaluation Criterion --- p.98 / Chapter 5.3 --- Experiment Categories and their Setup --- p.99 / Chapter 5.3.1 --- Experiment Category 1 一 Investigating and comparing the overall prediction performance of the two predictive indices --- p.102 / Chapter 5.3.2 --- Experiment Category 2 一 Comparing the applicability of the word similarity measures of the two predictive indices on predicting the recognition performance --- p.104 / Chapter 5.3.3 --- Experiment Category 3 - Comparing the applicability of the formulation method of the two predictive indices on predicting the recognition performance --- p.107 / Chapter 5.3.4 --- Experiment Category 4 一 Comparing the performance of different phonetic distance definitions --- p.109 / Chapter 5.4 --- Chapter Summary --- p.111 / Chapter 6 --- Experimental Results and Analysis --- p.112 / Chapter 6.1 --- Experimental Results and Analysis --- p.113 / Chapter 6.1.1 --- Experiment Category 1 - Investigating and comparing the overall prediction performance of the two predictive indices --- p.113 / Chapter 6.1.2 --- Experiment Category 2- Comparing the applicability of the word similarity measures of the two predictive indices on predicting the recognition performance --- p.117 / Chapter 6.1.3 --- Experiment Category 3 一 Comparing the applicability of the formulation method of the two predictive indices on predicting the recognition performance --- p.124 / Chapter 6.1.4 --- Experiment Category 4 - Comparing the performance of different phonetic distance definitions --- p.131 / Chapter 6.2 --- Experimental Summary --- p.137 / Chapter 6.3 --- Chapter Summary --- p.141 / Chapter 7 --- Conclusions --- p.142 / Chapter 7.1 --- Contributions --- p.144 / Chapter 7.2 --- Future Directions --- p.145 / Bibliography --- p.147 / Chapter A --- Table of Universal Phoneme Symbol --- p.153 / Chapter B --- Vocabulary Lists --- p.157 / Chapter C --- Experimental Results of Two-words Speech Recognition Tasks --- p.171 / Chapter D --- Experimental Results of Three-words Speech Recognition Tasks --- p.180 / Chapter E --- Significance Testing --- p.190 / Chapter E.1 --- Procedures of Significance Testing --- p.190 / Chapter E.2 --- Results of the Significance Testing --- p.191 / Chapter E.2.1 --- Experiment Category 1 --- p.191 / Chapter E.2.2 --- Experiment Category 2 --- p.192 / Chapter E.2.3 --- Experiment Category 3 --- p.194 / Chapter E.2.4 --- Experiment Category 4 --- p.196 / Chapter F --- Linear Regression Models --- p.197
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324013 |
| Date | January 2002 |
| Contributors | Yau, Pui Yuk., Chinese University of Hong Kong Graduate School. Division of Systems Engineering and Engineering Management. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xxiv, 203 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
Page generated in 0.0058 seconds