ONE-PIECE ACTIVE ACOUSTIC LOUDSPEAKER ENCLOSURE CONFIGURABLE TO BE USED ALONE OR AS A PAIR, WITH REINFORCEMENT OF THE STERO IMAGE
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Aug 6, 2013
filing date -
Sep 18, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The loudspeaker enclosure (10) comprises a central channel (16) turned toward the listener, and left and right side channels (18L, 18R) oriented perpendicular to each other. The signal to be reproduced is separated into: i) a mono component correlated between the left and right signals; ii) left and right surround components decorrelated between the left and right signals; iii) a left component decorrelated between the mono component ant the left signal; and iv) a right component decorrelated between the mono component ant the right signal. The central channel and the side channels are piloted by combinations of these components according to a distribution that is a function of the mode of use of the loudspeaker enclosure, alone in front of a listener and as a pair in association with another similar loudspeaker enclosure, the two loudspeaker enclosures being arranged on the left and on the right of the listener. The directivity diagram is thus modified to create therein directions of cancellation of the stereo image without deformation of the signal rendered.
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