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Information 2016, 7(2), 32;

Speech Compression

Department of Electrical and Computer Engineering, University of California, Santa Barbara, CA 93118, USA
Academic Editor: Khalid Sayood
Received: 22 April 2016 / Revised: 24 May 2016 / Accepted: 30 May 2016 / Published: 3 June 2016
(This article belongs to the Special Issue Multimedia Information Compression and Coding)
Full-Text   |   PDF [4364 KB, uploaded 3 June 2016]   |  


Speech compression is a key technology underlying digital cellular communications, VoIP, voicemail, and voice response systems. We trace the evolution of speech coding based on the linear prediction model, highlight the key milestones in speech coding, and outline the structures of the most important speech coding standards. Current challenges, future research directions, fundamental limits on performance, and the critical open problem of speech coding for emergency first responders are all discussed. View Full-Text
Keywords: speech coding; voice coding; speech coding standards; speech coding performance; linear prediction of speech speech coding; voice coding; speech coding standards; speech coding performance; linear prediction of speech

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Gibson, J.D. Speech Compression. Information 2016, 7, 32.

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