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Perceived Sound Quality of Small Original and Optimized Loudspeaker Systems
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signals and Systems Group.
2012 (English)In: Journal of The Audio Engineering Society, ISSN 0004-7554, Vol. 60, no 1-2, 29-37 p.Article in journal (Refereed) Published
Abstract [en]

The perceived sound quality of small loudspeaker systems with and without digital optimization was empirically evaluated in a listening experiment. Further, it was investigated how the presentation order in the performed paired comparisons influenced the results, as well as whether a self-evaluation was of potential use for variance reduction. The systems were optimized by means of FIR filters. The two versions of each loudspeaker system were rated in a paired comparison test for music stimuli. For the purpose of analysis a linear Gaussian model was applied, resulting in an interval scale revealing interesting information about certainty and discrimination ability of the listeners. The test investigated whether linear pre-compensation of small and inexpensive loudspeaker systems results in a significant improvement of the perceived audio quality in a typical listening situation. The results indicated a significant preference for the optimized version and a significant dependency on the presentation order was detected. The self-evaluation was found to be uncorrelated to the test results.

Place, publisher, year, edition, pages
2012. Vol. 60, no 1-2, 29-37 p.
National Category
Signal Processing
Research subject
Electrical Engineering with specialization in Signal Processing
URN: urn:nbn:se:uu:diva-173831ISI: 000302050900005OAI: oai:DiVA.org:uu-173831DiVA: diva2:525738
Available from: 2012-05-09 Created: 2012-05-07 Last updated: 2016-04-14Bibliographically approved

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Bahne, Adrian
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