基于Cordic的低功耗高质量吕弗勒DCT

2006 International Symposium on VLSI Design, Automation and Test Pub Date : 2006-04-26 DOI:10.1109/VDAT.2006.258132

Chi-Chia Sun, B. Heyne, S. Ruan, Juergen Goetze

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引用次数: 12

摘要

本文提出了一种低功耗、高质量的保存DCT结构。它是基于Cordic算法对Loeffler DCT进行优化得到的。实验结果表明，与原始的Loeffler DCT相比，该DCT结构的面积占19%，功耗约为16%。此外，还保留了良好的转换质量。在这方面，所提出的基于Cordic的Loeffler DCT非常适合低功耗和高质量的编解码器，特别是基于电池的系统

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Low-Power and High-Quality Cordic Based Loeffler DCT

In this paper, a low-power and high-quality preserving DCT architecture is presented. It is obtained by optimizing the Loeffler DCT based on the Cordic algorithm. The experimental results show that the proposed DCT architecture occupies 19% of the area and consumes about 16% of the power compared to the original Loeffler DCT. Additionally the good transformation quality is retained. In this regard, the proposed Cordic based Loeffler DCT is very suitable for low-power and high-quality CODECs, especially for battery-based systems

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2006 International Symposium on VLSI Design, Automation and Test

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