Dynamic information storage or retrieval – Control of storage or retrieval operation by a control...
Reexamination Certificate
2004-04-20
2008-08-05
Hindi, Nabil (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
C369S059230, C369S059270
Reexamination Certificate
active
07408850
ABSTRACT:
Today the storage of audiovisual (AV) data on storage media employs standardized coding schemes, e.g. MPEG-2. End user devices for AV presentation, like disc players, contain dedicated decoders implemented in hardware, which are able to decode data streams complying with the respective standard. The efficiency of this decoding methodology relies on the standardization of appropriate coding schemes. Proprietary coding schemes may be more efficient by being adapted to the content, or may be used for content protection or optional features. Using reconfigurable decoder hardware, storing the configuration data for the actual decoder on the same storage medium as the AV data, and downloading the data to configure the player can be used to implement proprietary coding schemes. Such schemes require appropriate player hardware, suitable to execute a downloaded decoder under real-time conditions, and a standardized format to store the decoder configuration data.
REFERENCES:
patent: 5996030 (1999-11-01), Ofer
patent: 6378010 (2002-04-01), Burks
patent: 2002/0031166 (2002-03-01), Subramanian et al.
patent: 1168883 (2002-01-01), None
Keesen Heinz-Werner
Schütze Herbert
Wittenburg Jens Peter
Eriksen Guy H.
Hindi Nabil
Kiel Paul P.
Laks Joseph J.
Thomson Licensing
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