Multi-channel tuner using a discrete cosine transform
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United States of America Patent
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May 30, 2006
Grant Date -
Nov 4, 2004
app pub date -
May 2, 2003
filing date -
May 2, 2003
priority date (Note) -
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Abstract
A satellite receiver includes a multi-channel tuner for processing a plurality of different transponder signals to simultaneously provide a plurality of different bit streams from at least two of the transponder signals. The multi-channel tuner includes (a) a demultiplexer for demultiplexing a received signal representing the plurality of transponder signals into a plurality of sample signals, each transponder signal conveying a bit stream, (b) a plurality of bifurcated filters operative on the plurality of sample signals for providing a plurality of filtered signals, and (c) a discrete cosine transform element operative on the plurality of filtered signals for simultaneously providing at least two of the bitstreams.
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