Digital Video Multiplexing Recorder. A recorder that gathers and compresses video in a digital format to be saved on a hard drive. A DVMR is much different than a DVR. The DVMR is actually a multiplexing recorder, recording each individual channel in full screen to allow the best possible playback quality. Do to the advances in digital imaging, DVR's and DVMR's have come a long way and are quickly replacing VHS systems.