Relaxed code-excited linear prediction (RCELP) is a method used in some advanced
speech codecs. The RCELP
algorithm
In mathematics and computer science, an algorithm () is a finite sequence of rigorous instructions, typically used to solve a class of specific Computational problem, problems or to perform a computation. Algorithms are used as specificat ...
does not attempt to match the original signal exactly. Instead, it matches a
time-warped version of this original signal that conforms to a simplified
pitch contour.
References
Speech codecs
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