G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/10 (2006.01) G11B 15/18 (2006.01) G11B 15/46 (2006.01) G11B 27/00 (2006.01) H04N 5/926 (2006.01) H04N 9/804 (2006.01) G11B 5/008 (2006.01) G11B 15/12 (2006.01) G11B 15/467 (2006.01) H04N 5/7826 (2006.01) H04N 5/783 (2006.01) H04N 5/945 (2006.01) H04N 9/82 (2006.01) H04N 5/00 (2006.01)
Patent
CA 2186583
As depicted in the figure above, the instant invention provides a "trick play" method for recording MPEG compatible advanced television (ATV) signals. The system comprises an ATV decoder (100) a "trick play" processor (200), and an SD DVCR (300). Trick play" processor (200) compresses image signals from decoder (130) to form a "trick play" data stream (251). The "trick play" data stream is multiplexed in sector constructor (340), with the received data stream, from block structurer (330), to form a record signal. Multiplexer (340) ensures that "trick play" data stream (251) is recorded at specific track locations by recording system (350), these specific track locations facilitate "trick play" reproduction at a plurality of speeds in both forward and reverse directions. The video processor (150) provides a selection function for switching between ATV and "trick play" video images.
Conformément à la Figure, l'invention concerne un récepteur télévisuel de pointe (ATV) dans lequel un mode de reproduction spéciale est utilisé pour enregistrer des signaux compatibles avec MPEG sur un magnétoscope à cassettes numérique standard. Ledit système comporte une décodeur (100) ATV, un processeur (200) de reproduction spéciale, et un magnétoscope à cassettes numérique à définition standard (SD) (300). Le processeur vidéo (150) comporte une fonction de sélection permettant la commutation entre des images vidéo ATV et le mode de reproduction spéciale. Un décodeur (130) commande l'opération de commutation en fonction de l'acquisition et du décodage d'une trame I provenant d'un groupe d'images enregistré (GOP).
Kaneuchi Toshio
Saeki Tomoki
Craig Wilson And Company
Rca Thomson Licensing Corporation
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