Bandwidth reduction of an FM broadcast signal using a baseband precompensation technique
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United States of America Patent
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Jan 6, 2009
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Mar 9, 2006
app pub date -
Sep 9, 2004
filing date -
Sep 9, 2004
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Abstract
A method of processing a baseband multiplex signal comprises the steps of frequency modulating the baseband multiplex signal to produce a first modulated signal, filtering the first modulated signal to produce a first filtered signal, demodulating the filtered signal to produce a demodulated baseband multiplex signal, correcting the demodulated baseband multiplex signal to reduce or eliminate distortion in a predetermined frequency range of the demodulated baseband multiplex signal to produce a corrected signal, and frequency modulating the corrected signal to produce a second modulated signal. An apparatus that operates in accordance with the method is also provided.
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