by Cheng Yoik. / Thesis submitted in: October 1998. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves 91-95). / Text in English; abstract also in Chinese. / by Cheng Yoik. / Chapter 1 --- Introduction --- p.13 / Chapter 1.1 --- What is Speaker Verification --- p.13 / Chapter 1.2 --- Review on Recent Speaker Verification Research --- p.15 / Chapter 1.2.1 --- Hidden Markov Modeling --- p.15 / Chapter 1.2.2 --- Cohort Normalization Scoring --- p.16 / Chapter 1.3 --- Objective of Thesis --- p.17 / Chapter 1.3.1 --- Text-prompted Speaker Verification System --- p.18 / Chapter 1.3.2 --- Fundamental Frequency (FO) Information --- p.18 / Chapter 1.3.3 --- Cohort Normalization on Cantonese --- p.19 / Chapter 1.4 --- Chapter Outline --- p.19 / Chapter 2 --- System Description --- p.21 / Chapter 2.1 --- System Overview --- p.21 / Chapter 2.2 --- Speech Signal Representations --- p.23 / Chapter 2.2.1 --- LPC Cesptral Coefficients --- p.24 / Chapter 2.2.2 --- Prosodic Features --- p.27 / Chapter 2.3 --- HMM Modeling Technique --- p.30 / Chapter 2.4 --- Speaker Classification --- p.34 / Chapter 2.4.1 --- Likelihood Scoring --- p.34 / Chapter 2.4.2 --- Verification Process --- p.36 / Chapter 2.4.2.1 --- General Approach --- p.36 / Chapter 2.4.2.2 --- Normalization Approach --- p.37 / Chapter 2.4.3 --- Cohort Sets --- p.39 / Chapter 2.5 --- Summary --- p.41 / Chapter 3 --- Experimental Setup --- p.42 / Chapter 3.1 --- Introduction --- p.42 / Chapter 3.2 --- Databases --- p.42 / Chapter 3.2.1 --- Cantonese Database --- p.43 / Chapter 3.2.2 --- YOHO Corpus --- p.45 / Chapter 3.3 --- Feature Analysis --- p.46 / Chapter 3.4 --- Speaker Models --- p.47 / Chapter 3.5 --- Experiments --- p.48 / Chapter 3.5.1 --- Evaluation --- p.48 / Chapter 3.5.2 --- FO Experiments --- p.50 / Chapter 3.5.2.1 --- FO Value --- p.51 / Chapter 3.5.2.2 --- Log FO Value --- p.51 / Chapter 3.5.2.3 --- Normalized FO --- p.52 / Chapter 3.5.2.4 --- Normalized Log FO --- p.53 / Chapter 3.5.3 --- Cohort Normalization Experiments --- p.53 / Chapter 3.5.3.1 --- Preliminary Study --- p.55 / Chapter 3.5.3.2 --- Cohort Normalization on Cantonese --- p.57 / Chapter 3.5.3.3 --- Cohort Normalization with Pitch Information on Cantonese --- p.58 / Chapter 4 --- Results and Analysis --- p.59 / Chapter 4.1 --- Introduction --- p.59 / Chapter 4.2 --- FO Experiments --- p.60 / Chapter 4.2.1 --- Results of Various Representation of FO Value on Cantonese --- p.60 / Chapter 4.2.2 --- Performance Comparison between Cantonese and English --- p.63 / Chapter 4.3 --- Cohort Normalization Experiments --- p.67 / Chapter 4.3.1 --- Performance Comparison on Our Results to Other Researches --- p.67 / Chapter 4.3.2 --- Results of Applying Cohort Normalization on Cantonese --- p.71 / Chapter 4.3.3 --- Results of Applying Cohort Normalization with Pitch Information on Cantonese --- p.74 / Chapter 4.4 --- Summary --- p.79 / Chapter 5 --- Conclusions and Future Work --- p.81 / Chapter 5.1 --- Conclusions --- p.81 / Chapter 5.2 --- Future Work --- p.82 / Chapter 5.2.1 --- Refinements --- p.82 / Chapter 5.2.2 --- Formant --- p.84 / Chapter 5.2.3 --- Independent Cohort Models --- p.85 / Chapter 6 --- Application --- p.86 / Chapter 6.1 --- Overview --- p.86 / Chapter 6.2 --- Telephony Interface --- p.87 / Chapter 6.3 --- Verification --- p.88 / Chapter 6.4 --- Discussion --- p.89
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322422 |
| Date | January 1999 |
| Contributors | Cheng, Yoik., 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, 95 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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