Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1997-04-04
1999-11-23
Kizou, Hassan
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370474, 370473, 455 42, 455 32, 348 13, H04J 302, H04H 100, H04N 714
Patent
active
059913134
ABSTRACT:
A video transmission apparatus comprises video codec for compression-encoding video data to be transmitted and decompression-decoding video data as received; a first audio codec for compression-encoding first audio data to be transmitted and decompression-decoding first audio data as received; a second audio codec for compression-encoding second audio data to be transmitted and decompression-decoding second audio data as received; a multiplexer-demultiplexer for including a three-channel buffer memory and processor; and an interface connectable to communications satellite network and ground network. In the multiplexer-demultiplexer, video data-first audio data and second audio data to be transmitted are multiplexed and converted to a packet based on a predetermined communication format, and packet as received is separated into video data-first audio data, and second audio data.
REFERENCES:
patent: 5084903 (1992-01-01), McNamara et al.
patent: 5410343 (1995-04-01), Coddington et al.
patent: 5539449 (1996-07-01), Blahut et al.
patent: 5640673 (1997-06-01), Tanabe
Honma Ryoichi
Kawazoe Masaru
Sato Kazuma
Shimamura Fumito
Tanaka Hiroshi
Kizou Hassan
Pezzlo John
Toko Inc.
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