Highly efficient multiplexing system
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United States of America Patent
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Jun 9, 1992
Grant Date -
N/A
app pub date -
Sep 14, 1989
filing date -
Sep 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The period of a sound-existence/sound-silence of a speech signal is detected. Packet data is inserted in a speech time slot during the period of non-existence of sound in the speech signal. A time slot is also given to the non-speech data requiring a quick response in transmission so that the non-speech data is multiplexed with the speech signal for transmission. Data-non-existence of non-speech data is detected when the non-speech data does not exist and then the packet data is inserted into a time slot of the non-speech data for transmission.
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