Robust Adaptation To Non-native Accents In Automatic Speech Recognition by Silke GoronzyRobust Adaptation To Non-native Accents In Automatic Speech Recognition by Silke Goronzy

Robust Adaptation To Non-native Accents In Automatic Speech Recognition

bySilke Goronzy

Paperback | December 19, 2002

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Speech recognition technology is being increasingly employed in human-machine interfaces. A remaining problem however is the robustness of this technology to non-native accents, which still cause considerable difficulties for current systems.
In this book, methods to overcome this problem are described. A speaker adaptation algorithm that is capable of adapting to the current speaker with just a few words of speaker-specific data based on the MLLR principle is developed and combined with confidence measures that focus on phone durations as well as on acoustic features. Furthermore, a specific pronunciation modelling technique that allows the automatic derivation of non-native pronunciations without using non-native data is described and combined with the previous techniques to produce a robust adaptation to non-native accents in an automatic speech recognition system.

Title:Robust Adaptation To Non-native Accents In Automatic Speech RecognitionFormat:PaperbackDimensions:146 pagesPublished:December 19, 2002Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3540003258

ISBN - 13:9783540003250

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Table of Contents

ASR:AnOverview.- Pre-processing of the Speech Data.- Stochastic Modelling of Speech.- Knowledge Bases of an ASR System.- Speaker Adaptation.- Confidence Measures.- Pronunciation Adaptation.- Future Work.- Summary.- Databases and Experimental Settings.- MLLR Results.- Phoneme Inventory.