Title:
【発明の名称】映像復号化器における高速再生時ピクチャージッタ防止装置
Document Type and Number:
Japanese Patent JP2957135
Kind Code:
B2
Abstract:
A picture decoder which prevents picture jitter when operating in a fast play mode. The picture decoder has a picture jitter preventing apparatus, which includes a picture coding extension region detector for detecting a picture coding extension region from picture data coded according to the MPEG2 standard, information region detector for detecting a region having top-field-first and repeat-first-field information from the detected picture coding extension region signal, and an information converter for converting values of top-field-first and repeat-first-field into 1 and 0, respectively, when in the fast play mode, and outputting the picture data free of jitter.
Inventors:
KYO MASASHI
Application Number:
JP31399796A
Publication Date:
October 04, 1999
Filing Date:
November 25, 1996
Export Citation:
Assignee:
SANSEI DENSHI KK
International Classes:
H04N5/92; H04N5/783; H04N7/24; H04N7/52; H04N19/00; H04N19/42; H04N19/423; H04N19/44; H04N19/65; H04N19/70; H04N19/85; H04N19/89; H04N21/432; H04N21/434; H04N9/804; H04N9/806; H04N21/472; (IPC1-7): H04N5/92; H04N7/24
Attorney, Agent or Firm:
Masatake Shiga (2 outside)