Markertek News Channel coverage of the VC-50HD Field Recorder from Edirol at NAB 2009. The VC-50HD converts from HD-SDI to 50/ 35/ 8 Mbps MPEG-2 TS as well as HDV format (25/19Mbps). The unit also supports conversion from SD-SDI to DV format (25Mbps) and 12/ 9/ 2 Mbps MPEG-2 TS. The dedicated HDMI Output port provides display and monitoring of both the video and audio signal. The output can also be used to directly connect to a large display or video projector.The VC-50HD supports three different types of power supply: AC power adaptor, AA batteries, and external battery support. The built-in 8AA battery tray can supply seamless failover power should the AC power become disconnected or while changing over external battery packs. Additionally the VC-50HD can accept V-Mount and Gold Mount external batteries systems.