基于多项式分解理论的低时延完全重构两通道滤波器组的设计

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Abstract Euclidean algorithm can be used to design Perfect Reconstruction (PR) filter banks. An algorithm of Euclidean polynomial factorization and the theory of two-channel filter banks with low delay are discussed in this paper. A major problem of Euclidean algorithm with the polynomial case is that the solution is not unique. To overcome this problem, a proposition about factorization method for solving this problem has been given and proven. A highly effective method based on the factorization for designing two-channel PR filter banks satisfying low-delay is presented. Final, some examples are given to illustrate that the method is effective.

Key words： Low delay PR filter banks Euclidean polynomial Factorization

Received: 08 October 2000

PACS:

TN713

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	Shi Guangming
	Jiao Licheng

Cite this article:

Shi Guangming,Jiao Licheng. Design of two-channel low-delay PR filter banks based on theory of polynomial factorization[J]. , 2002, 24(7): 910-915 .

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http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2002/V24/I7/910