NDLI: Estimation of frame independent and enhancement components for speech communication over packet networks

Content Provider	IEEE Xplore Digital Library
Author	Giacobello, D. Murthi, M.N. Christensen, M.G. Jensen, S.H. Moonen, M.
Copyright Year	2010
Description	Author affiliation: Dept. of Electronic Systems, Aalborg Universitet, Denmark (Giacobello, D.; Christensen, M.G.; Jensen, S.H.) \|\| Dept. of Electrical Engineering, Katholieke Universiteit Leuven, Belgium (Moonen, M.) \|\| Dept. of Electrical and Computer Engineering, University of Miami, USA (Murthi, M.N.)
Abstract	In this paper, we describe a new approach to cope with packet loss in speech coders. The idea is to split the information present in each speech packet into two components, one to independently decode the given speech frame and one to enhance it by exploiting inter-frame dependencies. The scheme is based on sparse linear prediction and a redefinition of the analysis-by-synthesis process. We present Mean Opinion Scores for the presented coder with different degrees of packet loss and show that it performs similarly to frame dependent coders for low packet loss probability and similarly to frame independent coders for high packet loss probability. We also present ideas on how to make the coder work synergistically with the channel loss estimate.
Starting Page	4682
Ending Page	4685
File Size	175930
Page Count	4
File Format	PDF
ISBN	9781424442959
ISSN	15206149
DOI	10.1109/ICASSP.2010.5495189
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oral communication Decoding Internet telephony Speech analysis Speech enhancement Speech coding Bit rate Speech codecs Probability Speech synthesis analysis-by-synthesis Voice over IP (VoIP) linear predictive coding
Content Type	Text
Resource Type	Article

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