Algebraic code-excited linear prediction (ACELP) is a patented speech coding algorithm by VoiceAge Corporation in which a limited set of pulses is distributed as excitation to linear prediction filter.
The ACELP method is widely employed in current speech coding standards such as AMR, EFR, AMR-WB (G.722.2), VMR-WB, EVRC, EVRC-B, SMV, TETRA, PCS 1900, MPEG-4 CELP and ITU-T G-series standards G.729, G.729.1 (first coding stage) and G.723.1. The ACELP algorithm is also used in the proprietary ACELP.net codec.
ACELP is a patented technology and registered trademark of VoiceAge Corporation in Canada and/or other countries and was developed in 1989 by the Université de Sherbrooke in Canada.
Read more about Algebraic Code-excited Linear Prediction: Features, Technology
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