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Replicate Mismatch between Test and Background/Development Databases: The Effect on the Performance of Likelihood Ratio-based Forensic Voice Comparison

Ishihara, Shunichi

Description

In this paper, we report on a study which demonstrates that the mismatch in within-speaker replicate numbers (the number of tokens used to model each sample) between test/background and development databases has a large impact on the performance of a forensic voice comparison (FVC) system. We describe how and to what extent the different degrees of the mismatch influence the performance of the FVC system. The performance of an FVC system based on temporal MFCC features and the Multivariate...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Conference paper
URI: http://hdl.handle.net/1885/17888
Source: Proceedings of the 15th Australasian International Conference on Speech Science and Technology

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