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Automatic Speaker Directivity Control for Soundfield Reconstruction

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An enhancement to sound field reconstruction is proposed which improves subjective spatial perception and widens the sweet spot size of a 5 channel surround system. Instead of radiating sound directly a in a standard setup, a switch separates the direct and reverberant (diffuse) components of each audio input. On playback with loudspeakers, the direct field is radiated normally while the reverberant part is raadiated diffusely with a speaker/diffsor combination.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=10110

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AES - Audio Engineering Society