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Steven Ochmanski
Cisco Employee
Cisco Employee


Residual Excited Linear Prediction (RELP)

Complete Definition

Residual Excited Linear Prediction (RELP) is an obsolete speech coding  algorithm. It was originally proposed in the 1970s and can be seen as an  ancestor of Code Excited Linear Prediction (CELP). Unlike CELP however, RELP directly transmits the  residual signal. To achieve lower rates, that residual signal is usually  down-sampled (e.g. to 1-2 kHz). The algorithm is hardly used anymore.

Wikipedia RELP  Definition

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