NDLI: Combined source and channel coding using a sub-band coder

Content Provider	IEEE Xplore Digital Library
Author	Cox, R.V. Hagenauer, J. Seshadri, N. Sundberg, C.
Copyright Year	1988
Description	Author affiliation: AT&T Bell Lab., Murray Hill, NJ, USA (Cox, R.V.; Hagenauer, J.; Seshadri, N.; Sundberg, C.)
Abstract	A dynamic-bit allocation subband coder and a rate-compatible punctured convolutional channel coder (RCPC) are described. The subband coder produces good communications-quality speech of bit rates as low as 12 kb/s. The coder also produces a prioritized bit stream which can easily be used for noisy channels. An analysis of the bit-error sensitivities revealed that not all of the bits in the bitstream require error protection, and among those that do, unequal error protection is called for. The RCPC channel coder is extremely flexible and capable of producing unequal error protection while using the same convolutional encoder and decoder for all bits. When matched to the speech-coder bitstream, a combined 16 kb/s coder was produced, which was demonstrated to give robust performance over even fairly noisy channels.<>
Starting Page	1395
Ending Page	1399
File Size	519513
Page Count	5
File Format	PDF
DOI	10.1109/ICC.1988.13778
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-06-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel coding Bit rate Speech coding Decoding Protection Error correction codes Convolutional codes Robustness Transmitters Convolution
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