Lau Wai = 連續粤語語音辨識裏的音調提取和音調特性 / 劉偉. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references. / Text in English; abstracts in English and Chinese. / Lau Wai = Lian xu yue yu yu yin bian shi li de yin diao ti qu he yin diao te xing / Liu Wei. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Speech Recognition of Chinese --- p.3 / Chapter 1.2 --- Tone Recognition --- p.3 / Chapter 1.3 --- Use of Tone Information in Speech Recognition --- p.4 / Chapter 1.4 --- Thesis Objectives --- p.6 / Chapter 1.5 --- Organization of the Thesis --- p.6 / Reference --- p.8 / Chapter 2 --- Properties of Tones in Cantonese --- p.12 / Chapter 2.1 --- The Cantonese Dialect --- p.12 / Chapter 2.1.1 --- "INITIAL, FINAL & TONE" --- p.13 / Chapter 2.1.2 --- Phonological Constraints --- p.16 / Chapter 2.2 --- Tones in Cantonese --- p.17 / Chapter 2.2.1 --- Linguistic Significance --- p.17 / Chapter 2.2.2 --- Acoustic properties --- p.18 / Chapter 2.2.3 --- Discriminative Features of the Cantonese Tones --- p.20 / Chapter 2.3 --- Summary --- p.21 / Reference --- p.22 / Chapter 3 --- Extraction of Tone Features --- p.23 / Chapter 3.1 --- Feature Parameters for Tone Recognition --- p.23 / Chapter 3.1.1 --- F0 Features --- p.23 / Chapter 3.1.2 --- Energy Features --- p.24 / Chapter 3.1.3 --- Log Scale vs. Linear Scale --- p.25 / Chapter 3.2 --- Detection of Voiced Speech --- p.26 / Chapter 3.3 --- Robust Algorithm for Pitch Tracking --- p.27 / Chapter 3.3.1 --- Generation of Period Candidates --- p.27 / Chapter 3.3.2 --- Post-processing --- p.28 / Chapter 3.4 --- Normalization of Fundamental Frequency --- p.29 / Chapter 3.4.1 --- Derivation of the normalization factor --- p.31 / Chapter 3.4.2 --- Moving-Window Normalization --- p.32 / Chapter 3.4.3 --- Energy Normalization --- p.35 / Chapter 3.5 --- FO Smoothing --- p.36 / Chapter 3.6 --- Generation of Tone Feature Vectors --- p.37 / Chapter 3.7 --- Summary --- p.39 / Reference --- p.40 / Chapter 4 --- Tone Recognition using Hidden Markov Models --- p.43 / Chapter 4.1 --- Two Methods of Tone Modeling --- p.43 / Chapter 4.2 --- Hidden Markov Models for Speech Recognition --- p.44 / Chapter 4.3 --- Tone Modeling by HMM --- p.47 / Chapter 4.4 --- Context-Dependent Tone Models --- p.48 / Chapter 4.5 --- Baseline Experiments --- p.49 / Chapter 4.5.1 --- The Speech Database - CUSENT´ёØ --- p.49 / Chapter 4.5.2 --- Data Pre-Processing --- p.50 / Chapter 4.5.3 --- Performance of Context-Independent Models --- p.51 / Chapter 4.5.4 --- Context-Dependent Tone Modeling --- p.52 / Chapter 4.6 --- Experiments on Moving-window FO Normalization --- p.54 / Chapter 4.6.1 --- Symmetric window --- p.54 / Chapter 4.6.2 --- Asymmetric window --- p.55 / Chapter 4.6.3 --- Energy normalization --- p.58 / Chapter 4.7 --- Incorporation of Statistical Tone Information --- p.58 / Chapter 4.8 --- Discussions --- p.59 / Chapter 4.9 --- Summary --- p.60 / Reference --- p.61 / Chapter 5 --- Integration of Tone Informaton into LVCSR for Cantonese --- p.63 / Chapter 5.1 --- The Goal --- p.63 / Chapter 5.2 --- N-best Based Integration --- p.64 / Chapter 5.2.1 --- Base Syllable Recognition --- p.65 / Chapter 5.2.2 --- Tone Recognition --- p.66 / Chapter 5.2.3 --- Language Models --- p.66 / Chapter 5.2.4 --- Integration and N-best Re-scoring --- p.66 / Chapter 5.2.5 --- Experimental Results --- p.67 / Chapter 5.2.6 --- Integration with Perfect Tone Information --- p.68 / Chapter 5.3 --- Broad Tone Classes --- p.68 / Chapter 5.3.1 --- Experimental Results --- p.70 / Chapter 5.3.2 --- Error analyses and Discussions --- p.71 / Chapter 5.4 --- Lattice Based Integration --- p.73 / Chapter 5.4.1 --- Lattice Expansion --- p.74 / Chapter 5.4.2 --- Experiments on Lattice Based Integration --- p.76 / Chapter 5.5 --- Discussions --- p.78 / Chapter 5.6 --- Summary --- p.79 / Reference --- p.80 / Chapter 6 --- Conclusions and Future Work --- p.81 / Chapter 6.1 --- Conclusions --- p.81 / Chapter 6.2 --- Suggestions for Future Work --- p.84 / Reference --- p.85
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_323103 |
| Date | January 2000 |
| Contributors | Lau, Wai., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xii, 85 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/) |
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