Brighton : ISCA
InProceedings of Interspeech 2009, pp. 908-911
Article in monograph or in proceedings
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Proceedings of Interspeech 2009
SubjectBATS (Topic and Speaker Tracking Broadcast Archives); Linguistic Information Processing
In this paper we propose a framework for measuring the overall performance of an automatic speaker recognition system using a set of trials of a heterogeneous evaluation such as NIST SRE- 2008, which combines several acoustic conditions in one evalu- ation. We do this by weighting trials of different conditions ac- cording to their relative proportion, and we derive expressions for the basic speaker recognition performance measures Cdet, Cllr, as well as the DET curve, from which EER and Cmin can det be computed. Examples of pooling of conditions are shown on SRE-2008 data, including speaker sex and microphone type and speaking style.
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