System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
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United States of America Patent
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Jul 7, 2009
Grant Date -
Dec 9, 2004
app pub date -
Mar 18, 2004
filing date -
Mar 18, 2003
priority date (Note) -
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Abstract
A system and method of producing an output sound field that is representative of an input sound field compatible with both existing prior art sound reproduction systems, for example ITU 5.1/6.1, and with a three-dimensional reproduction system unique to this disclosure. One embodiment of the disclosed system is comprised of a microphone array, an encoder, a decoder, and a plurality of speakers, some of which may not be located in the plane of the listener. A further embodiment discloses matrices to encode and decode the signals representative of the input and output sound fields respectively.
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