Method and apparatus for utilizing modulation based audio correlation technique for maintaining dynamic FM station list in single tuner variant and assisting alternate frequency switching methodology in single tuner and dual tuner variants
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United States of America Patent
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Oct 1, 2013
Grant Date -
Dec 15, 2011
app pub date -
Jun 11, 2010
filing date -
Jun 11, 2010
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Abstract
A method of operating a single-tuner radio includes tuning into a first frequency. A pause in a first signal associated with the first frequency is detected. Tuning is switched from the first frequency to a second frequency during the pause. Fieldstrength, multipath, adjacent channel energy, frequency offset and FM modulation for the second frequency are measured. Tuning is switched from the second frequency to the first frequency. Tuning is switched from the first frequency to the second frequency dependent upon the measuring step.
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