'This Video File Cannot Be Played' is one common case for many pc users or data recovery engineers. 1, The most possible reason is that the CCTV DVR video players the users use don't support the CCTV

To get the best CCTV DVR data recovery success rate, users need to understand properly several simple questions and they are: what are the CCTV DVR hdd brands and file system? What are the CCTV DVR HDD

Dolphin DVR has one new unique Tech. called Multi-Level CCTV DVR Auto Detection and there're totally 5 levels of CCTV DVR system detection by analyzing the video and audio streams and file system structures: Level I, II,