Besides, an enhanced interval tree is used to manage and organize the intermediate data so as to reduce the computation complexity.
该算法利用改进的二叉区间树有效组织中间数据，降低计算的复杂度。
The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.
利用信道频率相关特性降低了算法复杂度，同时解决了算法对样本数的依赖问题。
Then according to the implementation of the echo canceller, we discuss the applied methods to improve the convergence speed and reduce the computation complexity.
第四章结合回波消除器的实现，研究了加快收敛的实用方法和减少回波消除器计算量的措施。
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