NDLI: Media synchronization protocols for packet audio-video system on multimedia information networks

Content Provider	IEEE Xplore Digital Library
Author	Shibata, Y. Seta, N. Shimizu, S.
Copyright Year	1995
Description	Author affiliation: Dept. of Comput. Sci., Toyo Univ., Kawagoe, Japan (Shibata, Y.; Seta, N.; Shimizu, S.)
Abstract	Following the development of high-speed networks, intelligent multimedia workstations and large-scale storage device technologies, distributed multimedia information services are now making their appearance. However, many obstacles remain to be overcome before practical, widespread applications of multimedia services can be realized. One key issue is how to integrate continuous media such as audio and video into semantically synchronized multimedia objects in a distributed workstation environment. This paper describes media synchronization and rate control for a multimedia information system capable of providing correct audio and video data output timing while keeping their packet streams regulated. We have developed an efficient audio/video transmission system architecture which takes into account each media's unique characteristics and provides a flexible synchronization mechanism between these different media. In this paper, we introduce three different synchronization methods, namely strict synchronization, relaxed synchronization and silence-detected synchronization. We have implemented these three methods on two different operating system environments: UNIX, using inter-process communication functions, and Mach, using tasks/threads. In order to verify these methods, we have successfully developed a prototype packet audio/video system and performed synchronization accuracy and performance evaluations under various load conditions in both operating environments.
Starting Page	594
Ending Page	601
File Size	712081
Page Count	8
File Format	PDF
ISBN	0818669306
DOI	10.1109/HICSS.1995.375497
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-01-03
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Streaming media Workstations High-speed networks Intelligent networks Large-scale systems Control systems Multimedia systems Information systems Timing
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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