NDLI: Design of a time-domain acoustic contrast control for broadband input signals in personal audio systems

Content Provider	IEEE Xplore Digital Library
Author	Yefeng Cai Ming Wu Jun Yang
Copyright Year	2013
Description	Author affiliation: Key Lab. of Noise & Vibration Res., Inst. of Acoust., Beijing, China (Yefeng Cai; Ming Wu; Jun Yang)
Abstract	The acoustic contrast control (ACC) approach provides a simple strategy to focus sound on a designed target area in a personal audio system. All of the traditional ACC approaches have been designed in the frequency domain, and then transformed into the time domain through the application of an inverse Fourier transform. Therefore, the broadband contrast performance of the traditional ACC approach is not optimum. Especially, when the length of the control filter is short, the traditional approach may have poor contrast performance at non-control frequencies. This study proposes a novel method that can achieve the optimum broadband contrast performance, which also maintains a good frequency-response consistency by introducing the response variation constraints to improve sound quality. Experimental results demonstrate the effectiveness of the new method.
Starting Page	341
Ending Page	345
File Size	949770
Page Count	5
File Format	PDF
ISBN	9781479903566
ISSN	15206149
DOI	10.1109/ICASSP.2013.6637665
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acoustics Frequency control Finite impulse response filters Frequency response Loudspeakers Arrays Speech Personal audio systems Acoustic contrast control Frequency response consistency Response variation Loudspeaker array
Content Type	Text
Resource Type	Article

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