Oey Sai Lok. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references. / Abstracts in English and Chinese. / Chapter 1. --- Introduction --- p.1 / Chapter 1.1 --- An overview of Text-to-Speech technology --- p.2 / Chapter 1.1.1 --- Text processing --- p.2 / Chapter 1.1.2 --- Acoustic synthesis --- p.3 / Chapter 1.1.3 --- Prosody modification --- p.4 / Chapter 1.2 --- Trends in Text-to-Speech technologies --- p.5 / Chapter 1.3 --- Objectives of this thesis --- p.7 / Chapter 1.4 --- Outline of the thesis --- p.9 / References --- p.11 / Chapter 2. --- Cantonese Speech --- p.13 / Chapter 2.1 --- The Cantonese dialect --- p.13 / Chapter 2.2 --- Phonology of Cantonese --- p.14 / Chapter 2.2.1 --- Initials --- p.15 / Chapter 2.2.2 --- Finals --- p.16 / Chapter 2.2.3 --- Tones --- p.18 / Chapter 2.3 --- Acoustic-phonetic properties of Cantonese syllables --- p.19 / References --- p.24 / Chapter 3. --- Cantonese Text-to-Speech --- p.25 / Chapter 3.1 --- General overview --- p.25 / Chapter 3.1.1 --- Text processing --- p.25 / Chapter 3.1.2 --- Corpus based acoustic synthesis --- p.26 / Chapter 3.1.3 --- Prosodic control --- p.27 / Chapter 3.2 --- Syllable based Cantonese Text-to-Speech system --- p.28 / Chapter 3.3 --- Sub-syllable based Cantonese Text-to-Speech system --- p.29 / Chapter 3.3.1 --- Definition of sub-syllable units --- p.29 / Chapter 3.3.2 --- Acoustic inventory --- p.31 / Chapter 3.3.3 --- Determination of the concatenation points --- p.33 / Chapter 3.4 --- Problems --- p.34 / References --- p.36 / Chapter 4. --- Waveform Concatenation for Sub-syllable Units --- p.37 / Chapter 4.1 --- Previous work in concatenation methods --- p.37 / Chapter 4.1.1 --- Determination of concatenation point --- p.38 / Chapter 4.1.2 --- Waveform concatenation --- p.38 / Chapter 4.2 --- Problems and difficulties in concatenating sub-syllable units --- p.39 / Chapter 4.2.1 --- Mismatch of acoustic properties --- p.40 / Chapter 4.2.2 --- "Allophone problem of Initials /z/, Id and /s/" --- p.42 / Chapter 4.3 --- General procedures in concatenation strategies --- p.44 / Chapter 4.3.1 --- Concatenation of unvoiced segments --- p.45 / Chapter 4.3.2 --- Concatenation of voiced segments --- p.45 / Chapter 4.3.3 --- Measurement of spectral distance --- p.48 / Chapter 4.4 --- Detailed procedures in concatenation points determination --- p.50 / Chapter 4.4.1 --- Unvoiced segments --- p.50 / Chapter 4.4.2 --- Voiced segments --- p.53 / Chapter 4.5 --- Selected examples in concatenation strategies --- p.58 / Chapter 4.5.1 --- Concatenation at Initial segments --- p.58 / Chapter 4.5.1.1 --- Plosives --- p.58 / Chapter 4.5.1.2 --- Fricatives --- p.59 / Chapter 4.5.2 --- Concatenation at Final segments --- p.60 / Chapter 4.5.2.1 --- V group (long vowel) --- p.60 / Chapter 4.5.2.2 --- D group (diphthong) --- p.61 / References --- p.63 / Chapter 5. --- Unit Selection for Sub-syllable Units --- p.65 / Chapter 5.1 --- Basic requirements in unit selection process --- p.65 / Chapter 5.1.1 --- Availability of multiple copies of sub-syllable units --- p.65 / Chapter 5.1.1.1 --- "Levels of ""identical""" --- p.66 / Chapter 5.1.1.2 --- Statistics on the availability --- p.67 / Chapter 5.1.2 --- Variations in acoustic parameters --- p.70 / Chapter 5.1.2.1 --- Pitch level --- p.71 / Chapter 5.1.2.2 --- Duration --- p.74 / Chapter 5.1.2.3 --- Intensity level --- p.75 / Chapter 5.2 --- Selection process: availability check on sub-syllable units --- p.77 / Chapter 5.2.1 --- Multiple copies found --- p.79 / Chapter 5.2.2 --- Unique copy found --- p.79 / Chapter 5.2.3 --- No matched copy found --- p.80 / Chapter 5.2.4 --- Illustrative examples --- p.80 / Chapter 5.3 --- Selection process: acoustic analysis on candidate units --- p.81 / References --- p.88 / Chapter 6. --- Performance Evaluation --- p.89 / Chapter 6.1 --- General information --- p.90 / Chapter 6.1.1 --- Objective test --- p.90 / Chapter 6.1.2 --- Subjective test --- p.90 / Chapter 6.1.3 --- Test materials --- p.91 / Chapter 6.2 --- Details of the objective test --- p.92 / Chapter 6.2.1 --- Testing method --- p.92 / Chapter 6.2.2 --- Results --- p.93 / Chapter 6.2.3 --- Analysis --- p.96 / Chapter 6.3 --- Details of the subjective test --- p.98 / Chapter 6.3.1 --- Testing method --- p.98 / Chapter 6.3.2 --- Results --- p.99 / Chapter 6.3.3 --- Analysis --- p.101 / Chapter 6.4 --- Summary --- p.107 / References --- p.108 / Chapter 7. --- Conclusions and Future Works --- p.109 / Chapter 7.1 --- Conclusions --- p.109 / Chapter 7.2 --- Suggested future works --- p.111 / References --- p.113 / Appendix 1 Mean pitch level of Initials and Finals stored in the inventory --- p.114 / Appendix 2 Mean durations of Initials and Finals stored in the inventory --- p.121 / Appendix 3 Mean intensity level of Initials and Finals stored in the inventory --- p.124 / Appendix 4 Test word used in performance evaluation --- p.127 / Appendix 5 Test paragraph used in performance evaluation --- p.128 / Appendix 6 Pitch profile used in the Text-to-Speech system --- p.131 / Appendix 7 Duration model used in Text-to-Speech system --- p.132
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325163 |
| Date | January 2005 |
| Contributors | Oey, Sai Lok., 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, xi, 138 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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