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Enhanced channel coding using source criteria in speech coders

Content Provider	IEEE Xplore Digital Library
Author	Ong, L.K. Kondoz, A.M. Evans, B.G.
Copyright Year	1994
Description	Author affiliation: Centre for Satellite Eng. Res., Surrey Univ., Guildford, UK (Ong, L.K.; Kondoz, A.M.; Evans, B.G.)
Abstract	Spectral efficiency is deemed highly desirable in many digital voice communication systems. This has largely been achieved by using bit reduced representations of speech signals through advanced speech coding techniques. Transmission errors pose a threat to the quality of voice service in these systems. Forward error correction (FEC) coding techniques is often used to curb the effects of channel impairments, but the performance is limited to bandwidth limitations. This can result in a rapid decline of the speech quality as the effects of the channel impairments increase. We describe a technique for further improving the FEC performance without additional spectral requirements.<>
Starting Page	576
Ending Page	579
File Size	340993
Page Count	4
File Format	PDF
ISBN	0780318250
DOI	10.1109/ICC.1994.368839
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-05-01
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel coding Speech enhancement Speech coding Speech synthesis Forward error correction Zirconium Decoding Redundancy Pulse modulation Degradation
Content Type	Text
Resource Type	Article

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