Digital sound broadcasting using a dedicated control channel
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United States of America Patent
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Nov 17, 1998
Issued Date -
N/A
app pub date -
May 26, 1995
filing date -
Sep 10, 1993
priority date (Note) -
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Abstract
A method and apparatus for transmitting digital sound is disclosed. The method contemplates transmitting a digital radio signal (such as an FM band signal) over a plurality of sub-channels subject to some constraints on the digital signal power. A control sub-channel, sometimes referred to as an auxiliary overhead channel is used to transmit control information which is interpreted by the receiver to identify the location and potentially the mode of the digital signals.
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