In technical video workflows, ".25" often denotes a frame rate of 25 frames per second (fps) , which is the standard for PAL (Phase Alternating Line) broadcast regions like Europe, Australia, and parts of Asia.

It encodes incoming video (from SDI or HDMI) in real time and can record it directly to a USB drive as an MP4 file .

The filename may be generated by professional-grade encoding hardware. For instance, the Datavideo NVS-25 Go to product viewer dialog for this item.