2006•Computer Engineering and Applications JournalRequires access

Implementation of G.723.1 Dual Rate Codec Algorithm in DSP

Quan Zheng

Abstract

In the article,the G.723.1 dual rate codec algorithm and the features of LSI403LP(LSI Logic) are introduced at first.The G.723.1 algorithm is then optimized based on the fact that the C code of the Recommendation is deeply analyzed.Then this algorithm is realized on LSI403LP.The results indicate that the lower algorithm time complexity and satisfied synthetic speech quality are received.

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Key concepts: Codec, Computer science, Digital signal processing, Algorithm, Dual (grammatical number), Code (set theory), Computer hardware, Programming language