| 摘要 |
The method, device and medium according to the invention provide (restricted) forward compatibility to higher device/medium versions. It is provided a defined behavior of an older device, if it has to handle information of a higher version number than supported by itself. A device according to the invention is able to provide restricted (e.g. playback) functionality of its records to older devices. So, a newer device is assured, that older devices will not damage the additionally stored information: This is important, because only a newer device is able to understand these additional information, and to process it correctly. |
