METHOD FOR DETERMINING AUDIO BROADCAST TRANSMISSION SIGNAL COVERAGE
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United States of America Patent
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Issued Date -
Dec 19, 2013
app pub date -
Jan 10, 2013
filing date -
Nov 1, 2007
priority date (Note) -
Abandoned
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Abstract
Computer implemented methods and systems for the prediction of the reception of a desired in-band on-channel digital audio broadcast signal (IBOC DAB) are described. A method includes computing a first ratio of a weaker undesired adjacent broadcast signal to a stronger undesired adjacent broadcast signal; computing a second ratio of the desired IBOC DAB signal to the stronger undesired adjacent broadcast signal. The method also includes computing a minimum allowable reception ratio based on the second ratio and the slope and intercept of a line, wherein the slope and intercept of the line is based on both (i) a plurality of ratios of a weaker adjacent broadcast signal to stronger adjacent broadcast signal and (ii) a plurality of ratios of a desired IBOC DAB signal to a stronger adjacent broadcast signal. Reception is predicted when the computed minimum allowable reception ratio is less than the first ratio.
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