Confidence Measures for Speaker Segmentation and their Relation to Speaker Verification

被引：0

作者：

Vaquero, Carlos ^{[1
]}

Ortega, Alfonso ^{[1
]}

Villalba, Jesus ^{[1
]}

Miguel, Antonio ^{[1
]}

Lleida, Eduardo ^{[1
]}

机构：

[1] Univ Zaragoza, Aragon Inst Engn Res I3A, GTC, E-50009 Zaragoza, Spain

来源：

11TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2010 (INTERSPEECH 2010), VOLS 3 AND 4 | 2010年

关键词：

Speaker segmentation; confidence measures; speaker verification;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper addresses the problem of speaker verification in two speaker conversations, proposing a set of confidence measures to assess the quality of a given speaker segmentation. In addition we study how these measures can be used to estimate the performance of a state. of the art speaker verification system. Our approach for speaker segmentation is based on the eigenvoice paradigm. We present a novel PCA based initialization in the speaker factor space along with a modification of the speaker turn duration distribution that improves the performance of previously reported Joint Factor Analysis based speaker segmentation systems. Three confidence measures are analyzed on the output of the proposed segmentation system for the summed-channel telephone data of the NIST Speaker Recognition Evaluation 2008, showing that they constitute a good measure to estimate not only the segmentation accuracy but the performance of a speaker verification system when it faces two speaker conversations.

引用

页码：2310 / 2313

页数：4

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