It transmits a signal to a specific place via video cameras on a limited set of monitors. Tip: CCTV is the acronym of closed-circuit television, which is also known as video surveillance. (I will show you how to let your computer show those extensions later in this article.) dav filename extension will be added to the name of a DAV file, if your system is configured to show file name extensions, you’re able to see it. In fact, the recorders and cameras are used widely by security departments for security reasons. For instance, the video taken by a DVR365 digital video recorder (DVR) connected to the CCTV security camera will be saved in DAV format. The DAV file is actually a kind of video file though it’s not as popular as MP4, MP3, and WMA, some of the users’ videos are still kept in DAV format. Different DAV converters and methods will be introduced. You may know well about MP3, MP4, and other commonly seen file formats used to store video or audio data, but you may not have heard of DAV, right? In the following post of MiniTool, you’ll know what DAV file format is, where it is used, and how to convert DAV to MP4.

How to convert a file to an mp4