Warped, Kautz, and Fixed-Pole Parallel Filters: A Review

IF 1.1 4区 工程技术 Q3 ACOUSTICS
B. Bank
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引用次数: 2

Abstract

In audio signal processing, the aim is the best possible sound quality for a given computational complexity. For this, taking into account the logarithmic frequency resolution of hearing is a good starting point. The present paper provides an overview on warped, Kautz, and fixed-pole parallel filters and demonstrates that they are all capable of achieving logarithmiclike frequency resolution, providing much more efficient filtering or equalization compared to straightforward finite impulse response (FIR) or infinite impulse response (IIR) filters. Besides presenting the historical development of the three methods, the paper discusses their relations and provides a comparison in terms of accuracy, computational requirements, and design complexity. The comparison includes loudspeaker–room response modeling and equalization examples.
Warped、Kautz和固定极点并联滤波器:综述
在音频信号处理中,目标是在给定的计算复杂度下获得最好的音质。为此,考虑到听力的对数频率分辨率是一个很好的起点。本文概述了翘曲、Kautz和固定极点平行滤波器,并证明它们都能够实现类似对数的频率分辨率,与直接的有限脉冲响应(FIR)或无限脉冲响应(IIR)滤波器相比,提供更有效的滤波或均衡。除了介绍这三种方法的历史发展外,本文还讨论了它们之间的关系,并在精度、计算要求和设计复杂性方面进行了比较。对比包括扬声器室响应建模和均衡化实例。
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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来源期刊
Journal of the Audio Engineering Society
Journal of the Audio Engineering Society 工程技术-工程:综合
CiteScore
3.50
自引率
14.30%
发文量
53
审稿时长
1 months
期刊介绍: The Journal of the Audio Engineering Society — the official publication of the AES — is the only peer-reviewed journal devoted exclusively to audio technology. Published 10 times each year, it is available to all AES members and subscribers. The Journal contains state-of-the-art technical papers and engineering reports; feature articles covering timely topics; pre and post reports of AES conventions and other society activities; news from AES sections around the world; Standards and Education Committee work; membership news, patents, new products, and newsworthy developments in the field of audio.
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