ENVIRONMENTALLY CONTROLLED FREQUENCY RESPONSE MODIFICATION FOR LONG RANGE HAILING SYSTEM
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jul 10, 2007
filing date -
Jul 11, 2006
priority date (Note) -
Abandoned
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Abstract
Systems and methods for altering audio for more effective delivery to long range targets. An example of the present invention includes a speaker coupled to a processor and one or more sensors suitable for sensing environmental conditions such as temperature and humidity. The processor reads the output of the sensors and compensates for frequency dependent attenuation likely to occur at the sensed environmental condition. In one embodiment, the user specifies a range that the sound is to travel and an equalization table compensating for attenuation at the desired range is selected according to the user input.
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