Dual amplifier and loudspeaker compensation using fast convergent and cascaded approaches to non-linear acoustic echo cancellation
Dual amplifier and loudspeaker compensation using fast convergent and cascaded approaches to non-linear acoustic echo cancellation
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使用快速收敛和级联方法实现非线性声学回声消除的双放大器和扬声器补偿
DOI：
10.1109/icassp.2012.6287812
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
Fatimazahra Marfouq
中科院分区：
文献类型：
--
作者：
M. M. Idrissa;Christelle Yemdji;N. Evans;C. Beaugeant;F. Plante;Fatimazahra Marfouq
本文主要研究了用于移动的通信的非线性声回波消除（AEC）的级联方法。本文的贡献是双重的。它们涉及（i）旨在改善非线性建模的计算高效的预处理和限幅补偿，以及（ii）旨在改善传统线性AEC算法的跟踪性能的去相关滤波。虽然这两个模块在文献中已经确立，但仍需要进行重大开发，以便它们以级联方式协调运作。本文提出了新的，自适应的参数化程序，这两个模块，并展示了显着的改善，回波回波损耗增强时，这两个模块相结合。
This paper focuses on cascaded approaches to non-linear acoustic echo cancellation (AEC) for mobile communications. The contributions in this paper are two-fold. They relate (i) to computationally efficient pre-processing and clipping compensation which aims to improve non-linear modelling and (ii) decorrelation filtering which aims to improve the tracking performance of a conventional linear AEC algorithm. While well-established in the literature the two modules require significant development in order that they function coherently in a cascaded approach. This paper presents new, adaptive parameterisation procedures for both modules and demonstrates significant improvements in terms of echo return loss enhancement when the two modules are combined.