The results show that: (1) In order to improve the effect of adaptive filtering in acoustic echo canceling, the important path is to adopt new hardware and new algorithm.
回波消除中的自适应滤波研究结果表明：（1）由于受到硬件和自适应算法本身的制约，要从根本上提高回波消除中自适应滤波效果，选用新的硬件和新的算法是重要途径。
As the hardware base of adaptive protection, fast development of microcomputer system renders an extensive prospect for adaptive theory application.
作为自适应保护的硬件基础，微机系统的迅猛发展使得自适应原理的应用前景更加广泛。
It explained the principle of line spectrum enhancer, and provided the values of the software parameters giving from experiments, and hardware design of an adaptive line spectrum enhancer.
文章阐述了自适应线谱增强器的原理，并给出了实验中得来的一型自适应线谱增强器软件参数取值及硬件设计。
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