NDLI: Real-Time Estimation of User-Level QoS of Audio-Video Transmission over IP Networks

Content Provider	IEEE Xplore Digital Library
Author	Tasaka, S. Ito, Y.
Copyright Year	2006
Description	Author affiliation: Department of Computer Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, 466¿8555, Japan. Email: yoshi@nitech.ac.jp (Ito, Y.) \|\| Department of Computer Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, 466¿8555, Japan. Email: tasaka@nitech.ac.jp (Tasaka, S.)
Abstract	This paper proposes a real-time estimation method of perceptual QoS (i.e., user-level QoS) of audio-video transmission over IP networks. The estimated quality reflects cross-modal influences of audio and video in the framework of ITU-T Recommendation J. 148. As objective measures of audio and video for the use of the perceptual QoS estimation, we select application-level QoS parameters for media synchronization quality. The perceptual quality is expressed in terms of the user-level QoS parameter of the interval scale, which is referred to as the psychological scale. As the multimedia quality integration function, we propose QoS parameter mapping between the application-level and the user-level. We made subjective quality assessment of simulated audio-video transmission over an IP network by the rating-scale method. We then calculate the psychological scale, utilizing the law of categorical judgment. Furthermore, we obtain the QoS mapping relations by the principal component analysis and multiple regression analysis. The regression formula thus derived can estimate the psychological scale with high accuracy unless the video frame rate is low. Finally we present an extension of the proposed method to continuous time estimation of user-level QoS.
Starting Page	884
Ending Page	890
File Size	157596
Page Count	7
File Format	PDF
ISBN	1424403553
ISSN	81649547
DOI	10.1109/ICC.2006.254819
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IP networks Quality of service Quality assessment Psychology Delay estimation Data engineering Indium tin oxide Computer science Broadcast technology Broadcasting
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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