Hdv_0151.7z -
This is a sequential clip number assigned by a camera or a capturing software.
If you see files named HDV_0151.7z.001 , HDV_0151.7z.002 , etc., you need all parts in the same folder to extract the video. HDV_0151.7z
If you downloaded this from an unknown source or a public forum, scan it with antivirus software before opening. Compressed files are often used to hide malware. This is a sequential clip number assigned by
Right-click the file and select "Extract here." HDV_0151.7z
Usually stands for "High Definition Video." It is a format often used by digital camcorders (like Sony, Canon, or JVC) that records 720p or 1080i video onto MiniDV tapes.