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The Complex Loudspeaker-Room Interface: Some Further Insight

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The loudspeaker-room soundfield is examined by means of both traditional steady state measures and impulse based measurements including direct to reflected sound ratios, lateral energy fraction and modulation transfer function measurements together with cross correction analysis and reflection direction and intensity studies. It is shown that distributed mode loudspeakers generate significantly different sound fields as compared to conventional cone based devices, both in terms of their spatial and correlation characteristics. The results provide new insights into the loudspeaker-room Interface and are shown to have implications from both a psychoacoustic point of view as well as for sound system design in general.

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