NDLI: Optimal Audio Transmission over Wireless Tandem Channels

Content Provider	IEEE Xplore Digital Library
Author	Khalifeh, A. Yousefi'zadeh, H.
Copyright Year	2008
Description	Author affiliation: Univ. of California, Irvine (Khalifeh, A.; Yousefi'zadeh, H.)
Abstract	Delivering high quality audio over the error prone wireless networks has to address many challenges. Some of these challenges include reducing the packetization overhead of small audio frames as well as protecting audio content against both bit errors introduced by wireless channels and packet erasures introduced by network buffering. We propose a statistical optimization framework for transmitting audio sequences over wireless MIMO channels. Our proposed framework protects audio frames against both temporally correlated random bit errors introduced by a fading channel and packet erasures caused by network buffering. The framework forms a two-dimensional grid of symbols Fig. 1 and forms horizontal packets that are compensated only vertically against both types of errors. Our framework assigns parity bits according to the perceptual importance of frames such that the segmented SNR of a received audio sequence is maximized. In addition, the proposed framework suggests an effective way of reducing the packetization overhead of small audio frames.
Starting Page	525
Ending Page	525
File Size	159349
Page Count	1
File Format	PDF
ISBN	9780769531212
ISSN	10680314
DOI	10.1109/DCC.2008.30
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Protection Data compression Wireless networks Fading Performance analysis Scholarships transmission overhead reduction optimal audio transmission optimal unequal error protection UEP MIMO fading links bit errors packet erasures
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications

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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