this document investigates on the quantization effect of implementing the adaptive algorithms for echo cancellers in fixedpoint DSP. Results show that the theoretical error is manifested at the ERLE of the canceller.-this document investigates on the

用c5402构建的声回波对消器,希望对朋友们有用-C5402 built with acoustic echo canceller, hope to be useful friends

　阐述回声消除技术原理,介绍自适应回声消除器基本结构,分析两类消除回声的基本算法,并提出基于两类算法的几种改进型算法,为提高IP电话的话音质量提供一定的参考。-　The element of the echo cancellation and the configuration of the adaptive echo canceller is first in troduced in this paper. It also analyzed two kinds of basical go ri

基于DSP TMS320C54x 回声消除算法实现。含汇编代码。-Echo Canceller base on DSP