Bandwidth reduction method and structure for combining voice and data in a PCM channel
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United States of America Patent
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Mar 22, 1983
Grant Date -
N/A
app pub date -
Jan 5, 1981
filing date -
Jan 5, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In the present invention, analog voice information is sampled at a first sampling rate, during periods when voice information is to be transmitted at a frequency which provides a digitized voice rate equal to the transmission rate capability of the transmission channel. During periods when both voice and data are to be transmitted, the analog voice information is sampled at a second sampling rate less than the first sampling rate, thus allowing the merged voice and data information to have a total digitized transmission rate equal to the transmission rate capability of the transmission channel.
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