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Patent Searching and Data


Title:
RECORDING MEDIUM AND COMPRESSED PICTURE REPRODUCING DEVICE
Document Type and Number:
Japanese Patent JPH07123356
Kind Code:
A
Abstract:

PURPOSE: To provide a compressed picture reproducing device capable of improving the operability of scanning reproduction by shortening the search time of intra-frame predictively encoded pictures in the scanning reproduction of fast forwarding and rewinding, etc.

CONSTITUTION: A read track control means 3 accesses a certain prescribed distance first by information that the fast forwarding is selected and then performs a reproducing operation and a first intra-frame predictively encoded picture is discriminated and decoded by a picture decoding means 5. Then, position information stored inside the intra-frame predictively encoded picture is extracted and outputted to a position information detection means 6. Whether or not it is the valid position information is judged in the position information detection means 6 and an address for accessing the next intra-frame predictively encoded picture is transmitted to the read track control means 3. The read track control means 3 accurately jumps so as to read from the head of the next intra-frame predictively encoded picture by using the address.


Inventors:
MURATA TATSUYA
Application Number:
JP26340493A
Publication Date:
May 12, 1995
Filing Date:
October 21, 1993
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H04N5/92; G06T9/00; G11B20/12; H04N19/426; H04N19/50; H04N19/503; H04N19/593; H04N19/70; (IPC1-7): H04N5/92; G11B20/12; H04N7/32
Attorney, Agent or Firm:
Akira Kobiji (2 outside)