| 摘要 |
Playback devices, e.g. DVD players, for removable mass storage media used for the distribution of multimedia content (2,3,4) contain a lot of firmware to control its functions. Typically, such firmware may be updated several times during the lifetime of the device. For playback devices that are already at a consumer's site and cannot be updated online, it is possible to update the firmware without using separate media, such as update-CDs, by storing firmware update data (5) on removable storage media such as DVDs or Blu-ray discs that contain primarily audio-visual contents (2,3,4). Thus, it is possible to utilize unused storage space on e.g. optical discs, and to distribute and install firmware updates easily without requiring separate media or technical knowledge of the user.
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