Modelling session variability in text independent speaker verification
Vogt, Robert J., Baker, Brendan J., & Sridharan, Sridha (2005) Modelling session variability in text independent speaker verification. In Eurospeech/Interspeech : Proceedings of the 9th European Conference on Speech Communication and Technology 2005, 4-8 September 2005, Lisbon, Portugal.
Presented is an approach to modelling session variability for GMM-based text-independent speaker verification incorporating a constrained session variability component in both the training and testing procedures. The proposed technique reduces the data labelling requirements and removes discrete categorisation needed by techniques such as feature mapping and H-Norm, while providing superior performance. Experiments on Switchboard-II conversational telephony data show improvements of as much as 48% in detection cost with a single training utterance and 68% with multiple training utterances over a baseline system.
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|Item Type:||Conference Paper|
|Subjects:||Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Natural Language Processing (080107)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Institutes > Information Security Institute
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2005 International Speech Communication Association (ISCA)|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||06 Nov 2008 00:00|
|Last Modified:||29 Feb 2012 13:13|
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