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Patent Searching and Data


Title:
STREAM TRANSMISSION RECEPTION SYSTEM, AND STREAM TRANSMITTER AND RECEIVER
Document Type and Number:
Japanese Patent JP2002374220
Kind Code:
A
Abstract:

To provide a stream transmission reception system, that transmits a multiplexed stream assembled into packets or cells via a digital transmission network and realizes a receiver for correcting fluctuations in a time reference value due, to delay fluctuations and supplying the corrected stream to a decoder, using a small device scale.

A transmitter 2 is provided with an attached information superimposing section 202, in addition to a multiplexed stream transmission section 201, and the receiver 4 is provided with a time reference value correction section 402, in addition to a multiplexed stream reception section 401. The transmitter 2 and the receiver 4 receive a common clock to drive a timer, the transmitter 2 transmits the time reference value, included in a multiplexed stream with the time of the timer attached thereto, as attachment information to the receiver 4, and the receiver 4 rewrites the time reference value, on the basis of a difference between the time denoted by the attached information and a time of its own timer, so as to eliminate fluctuations in the time reference which is included in the multiplexed stream to a decoder 5.


Inventors:
ONISHI TAKAYUKI
NAGANUMA JIRO
Application Number:
JP2001180560A
Publication Date:
December 26, 2002
Filing Date:
June 14, 2001
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04J3/00; H04N5/44; H04N7/08; H04N7/081; H04N19/00; H04N19/423; H04N19/70; (IPC1-7): H04J3/00; H04N5/44; H04N7/08; H04N7/081; H04N7/24
Attorney, Agent or Firm:
Masatoshi Isomura (1 outside)