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Objective and Subjective Evaluation of Digital Equalization Systems - Measurements of Resonances and Colorations

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In this paper we get into the correlation of subjective with objective tests of multichannel systems that use one or more Subwoofers along with Digital Equalization. We approached this subject in a preceding paper with literature-standard metrics of the frequency response as measured in various places in the room. However there was still a lack of more advanced metrics to offer a better insight into how the bass/mid frequencies integration is perceived by the listeners at various places in the listening room. Now we present comparisons between measurements of more metrics with listeners’ comments, as gathered from blind tests. The comparisons show good correlation of the recommended metrics with the listening tests when using various Digital Equalization systems.

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