MULTI-DIMENSIONAL PARAMETRIC AUDIO SYSTEM AND METHOD
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United States of America Patent
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Feb 20, 2014
app pub date -
Aug 16, 2013
filing date -
Aug 16, 2012
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Abstract
Systems and methods for producing multi-dimensional parametric audio are provided. The systems and methods can be configured to determine a desired spatial position of an audio component relative to a predetermined listening position; process the audio component for a predetermined number of output channels, wherein the step of processing the audio component comprises determining the appropriate phase, delay, and gain values for each output channel so that the audio component is created at the desired apparent spatial position relative to the listening position; encode two or more output channels of the audio component with the determined phase, delay, and gain values for each output channel; and modulate the encoded output channels onto respective ultrasonic carriers for emission via a predetermined number of ultrasonic emitters
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