NDLI: Multistream speaker diarization through Information Bottleneck system outputs combination

Content Provider	IEEE Xplore Digital Library
Author	Vijayasenan, D. Valente, F. Motlicek, P.
Copyright Year	2011
Description	Author affiliation: Idiap Research Institute, 1920, Martigny, Switzerland (Vijayasenan, D.; Valente, F.; Motlicek, P.)
Abstract	Speaker diarization of meetings recorded with Multiple Distant Microphones makes extensive use of multiple feature streams like MFCC and Time Delay of Arrivals (TDOA). Typically the combination happens using separate models for each feature stream. This work investigates if the combination of multiple feature streams can happen through the combination of multiple diarization systems performed using those features. The paper extends the previously proposed Information Bottleneck method to handle the combination of several probabilistic diarization outputs. In contrast to the conventional model-based feature combination, this technique is referred as system-based combination. Furthermore the paper introduces an hybrid model-system combination. Experiments are run on data from the Rich Transcription campaigns and show that the system based combination largely outperforms the model based combination by 37% relative. The hybrid approaches improve by 10–20%. The analysis of errors shows that the improvements come from the recordings where the individual MFCC and TDOA systems provide very different performances.
Starting Page	4420
Ending Page	4423
File Size	248968
Page Count	4
File Format	PDF
ISBN	9781457705380
ISSN	15206149
e-ISBN	9781457705397
e-ISBN	9781457705373
DOI	10.1109/ICASSP.2011.5947334
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-22
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mel frequency cepstral coefficient Hidden Markov models Speech Computational modeling Estimation Clustering algorithms Mutual information diarization system combination Speaker diarization Information bottleneck principle Feature combination TDOA features
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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