NDLI: Initial conditions for speaker diarization

Content Provider	IEEE Xplore Digital Library
Author	Lapidot, I.
Copyright Year	2012
Description	Author affiliation: LIA, University of Avignon, 339 Chemin des Meinajaries BP 91228, Avignon, 84911 France (Lapidot, I.)
Abstract	We examine different initializations and their influence on the performances of iterative speaker diarization system. Six methods of initializations were under examination, starting with a naive frame based random initialization, continue with uniform conversation dividing between the clusters and ending with weighted segmental k-means. The initialization methods were tested on two telephone conversation databases: LDC America CallHome and NIST SRE-05. In contrast to most works on meeting and shows where the speakers turns are not very frequent and minimal duration constraints of 2.5 sec or more can be applied to capture speakers statistics, in telephone conversations the speaker turns are much more frequent and the minimum duration should be set to several hundreds of milliseconds. In such cases, good cluster initialization is very important. It will be shown that good initialization using weighted segmental k-means is outperforms all other methods, and the either fixed or minimum duration constraints can be minor, and even without any constraint on the segment duration the results are significantly better than in other initializations.
Starting Page	1
Ending Page	4
File Size	344455
Page Count	4
File Format	PDF
ISBN	9781467346825
e-ISBN	9781467346818
DOI	10.1109/EEEI.2012.6376947
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-14
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speech Hidden Markov models Databases NIST Vectors Density estimation robust algorithm Training weighted segmental k-means (WSKMeans) Speaker diarization initialization
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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