H264 is a licensed video compression standard that is necessary in order to obtain a high degree of video stream compression while maintaining good quality. The H264 format has been widely used to record, process and store data from an external surveillance camera. That is, a file with an extension of H264 is essentially a video. The file was developed by Video Coding Experts Group. The specificity of the H264 format is that video data is compressed to a minimum size. Moreover, the resolution settings for video and audio quality are at a high level. The format is innovative. He found widespread use on vehicle video recorders and outdoor surveillance cameras. H.264 is a video compression codec that requests the video container needed to store encoded videos. This is a proprietary video codec that uses highly efficient compression algorithms and delivers great video quality. The main advantage of the H264 format is its high compression ratio when it is necessary to maintain the proper quality of video and audio data. When working with video recorders such as a camera and a DVR, which can be long and even continuous, this is very important if it is not possible to clean the physical memory. For users, the H264 video format is very popular. And therefore, there is practically no problem with playing back an H264 file. It can be opened online. For this, standard Windows tools are used. Say Media Player. Specialized programs are also used.
AC3 is a sound file format. Its name is the abbreviation for Audio Codec 3. The format was developed by Dolby Laboratories, Inc as a modern and efficient sound compression technology. AC3 files feature Dolby Digital multi-channel surround sound. In this regard, they are widely distributed as a format for DVDs, movie theaters and game consoles. However, you can evaluate all the advantages of such files only if you have the appropriate acoustics for surround sound. An audio file of the specified format can include up to six sound channels, which creates a presence effect for the listener.