NDLI: Destination buffering for low-bandwidth audio transmissions using redundancy-based error control

Content Provider	IEEE Xplore Digital Library
Author	Dempsey, B.J. Yangkun Zhang
Copyright Year	1996
Description	Author affiliation: Sch. of Inf. & Libr. Sci., North Carolina Univ., Chapel Hill, NC, USA (Dempsey, B.J.)
Abstract	Digital audio is becoming increasingly prevalent with the advent of software for Internet telephony and real-time audio playback for World Wide Web browsers. Since audio quality depends on timely delivery of the packet stream, protocol mechanisms must address the control of delays and packet losses in an integrated fashion. Two critical mechanisms for high-quality audio delivery are the receiver buffering strategy and error control. Buffering at the audio receiver is required for continuous playback in the presence of network delay variations (jitter), and a number of algorithms have been proposed. Timely recovery of packet loss protects audio quality against network errors. Recent work has suggested the effectiveness of an approach that sends multiple copies of the audio data in consecutive packets so that small burst losses in the network are overcome. Packet-level traces of Internet audioconferencing software were collected over a network path including LANs and a 28.8 kbits/s dial-up connection. Using these traces in simulations, receiver buffering strategies for controlling packet jitter and for supporting redundancy-based error control are examined. The study determines that jitter control algorithms will not generally provide adequate buffering when the requirements of error control are included. This observation leads to a proposed modification for one popular jitter control algorithm, and the performance trade-offs are explored.
Starting Page	345
Ending Page	354
File Size	977064
Page Count	10
File Format	PDF
ISBN	0818676175
ISSN	07421303
DOI	10.1109/LCN.1996.558163
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-10-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Error correction Streaming media Jitter Bandwidth Protocols Computer errors Internet telephony Web sites Digital audio broadcasting Propagation losses
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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