G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/10 (2006.01)
Patent
CA 2528262
An AV stream processing system includes an AV stream input unit which receives an AV stream having an AV content information field including first copy control information, and an AV content field including second copy control information, a determination unit which extracts the first and second copy control information from the received AV stream and determines whether the first copy control information has been modified, and an AV stream decryption unit which processes the received AV stream according to predetermined criteria, when the first copy control information has been modified.
La présente invention concerne un système de traitement de flux audio/vidéo (AV) qui comprend : une unité d'entrée de flux AV qui reçoit un flux AV dans lequel un champ d'informations de contenu AV comprend de premières informations de commande de copie (CCI), et un champ de contenu AV comprend de secondes informations de commande de copie ; une unité de détermination qui extrait du flux AV les premières et les secondes informations de commande de copie et qui détermine si les premières informations de commande de copie ont été modifiées ; et une unité de déchiffrement de flux AV qui traite le flux AV reçu en fonction de critères prédéterminés, lorsque les premières informations de commande de copie ont été modifiées.
Choi Yang-Lim
Kim Yun-Sang
Nam Su-Hyun
Ridout & Maybee Llp
Samsung Electronics Co. Ltd.
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