Relaxed code-excited linear prediction (RCELP) is a method used in some advanced

speech codec Speech coding is an application of data compression of digital audio signals containing speech. Speech coding uses speech-specific parameter estimation using audio signal processing techniques to model the speech signal, combined with generic d ...

s. 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 __NOTOC__ In linguistics, speech synthesis, and music, the pitch contour of a sound is a function or curve that tracks the perceived pitch of the sound over time. Pitch contour may include multiple sounds utilizing many pitches, and can relate t ...

References

Speech codecs {{Multimedia-software-stub