Multiplex communications – Communication over free space – Repeater
Patent
1997-12-09
2000-12-05
Vu, Huy D.
Multiplex communications
Communication over free space
Repeater
370337, H04J 302
Patent
active
061576255
ABSTRACT:
In transmitting an MPEG transport stream, each audio signal packet is placed after the corresponding video signal packet when audio and video transport streams are multiplexed. If simple switching were made to switch between a plurality of programs to form a multiplexed transport stream of the programs, part of the audio packets that are placed behind would be lost to cause abnormal sound. In the invention, switching between programs is made by providing signal switching means separately for audio transport streams and video transport streams. As a result, when the program to be transmitted is changed from one program to another, the signal switching means can be switched in such a manner that none of the audio signal packets that constitute those programs are lost.
REFERENCES:
patent: 5784572 (1998-07-01), Rostoker et al.
patent: 5799081 (1998-08-01), Kim et al.
Boakye Alexander
Frommer William S.
Sony Corporation
Vu Huy D.
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