Code-excited linear prediction: Difference between revisions

Revision as of 17:31, 21 January 2015

Revision as of 17:31, 21 January 2015

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'''Code-excited linear prediction''' ('''CELP''') is a [[speech coding]] algorithm originally proposed by [[Manfred_R._Schroeder|M. R. Schroeder]] and [[Bishnu S. Atal|B. S. Atal]] in 1985. At the time, it provided significantly better quality than existing low bit-rate algorithms, such as [[residual-excited linear prediction]] and [[linear predictive coding]] [[vocoders]] (e.g., [[FS-1015]]). Along ech coding algorithm. It is also used in [[MPEG-4 Audio]] speech coding. CELP is commonly used as a generic term for a class of algorithms and not for a particular codec.

==Introduction==