Method and apparatus for simultaneous compression of video, audio and data signals
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United States of America Patent
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Nov 25, 1997
Grant Date -
N/A
app pub date -
Jan 27, 1992
filing date -
Oct 17, 1988
priority date (Note) -
Expired
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Abstract
A program delivery system using a compression apparatus capable of compressing incoming video and non-video signals, such as audio and data signals. The system includes a frequency modulator which modulates the incoming audio, data or other non-video signals, unto selected video frequencies. A Fourier transformer generates a set of sinusoidal transform components corresponding to the incoming video, audio, data or other non-video signals, and a selector chooses the most desirable Fourier sinusoidal transforms. A multiplexer multiplexes only the selected Fourier transform components for further processing.
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