What is the elevator floor monitor

Character stacker referred to as VDM, English Video Display Metafile abbreviation. Superimposed caption refers to all types of information easily recognizable human beings on the composite video signal, and these characters and information content of the original composite video signal displayed together on the device (such as a monitor, hard disk recorders, etc.) appear in the video electronic processing Device. More through the OSD.

The difference between the special equipment used in the subtitling machine and other industries for the professional film and television editing industry is that the name of the character superimposer is now more used for the relatively inexpensive electronic devices with the basic superimposition ability of video subtitles used in various monitoring systems.

Character superimposer in accordance with the functional classification can be divided into dynamic character overlay and static character overlay.

Dynamic character overlay device refers to the character overlay with the computer or other equipment, can receive processing, display changes with the scene of the data information, this information will be combined with the live video signal for the monitor to provide more detailed and accurate information. In short, the dynamic character overlay is the character information overlay processing device that follows the change of the external data.

Static VDM is a device that displays relatively fixed-form character information on a video signal without the need to receive external data. Used to superimpose fixed information such as camera position, date, time on the video signal. Such as matrix character overlay and so on.

Now character overlay has been widely used in elevator monitoring, supermarket cashier monitoring, greenhouse, granary, and many scientific research sites.

The above is the introduction of what is the character overlay, I hope we can have a preliminary understanding of the character overlay. Help you buy good quality character stacker.