“DMW-YAGH” ok so it sounds ugly as sin and frankly look pretty damn ugly too, but the Panasonic DMW-YAGH could actually be the most significant part of the GH4 when it comes to video. The DMW-YAGH attaches to the bottom of the GH4 and is built exclusively for professional video use and is obviously intend for GH4 configurations where the camera is rigged out for a serious production.
The DMW-YAGH features 4 SDI outputs for HD 4:2:2 and 4K 4:2:2 10-bit output with timecode, listen up Canon and Nikon. (It can also be configured to record 4:2:2 to an external unit via the on-board HDMI-output on the GH4 itself.) The interface unit also has dual XLR inputs with optional phantom power and level adjustments on the unit. These inputs can be monitored on the GH4′s display. Additionally, the interface unit includes a 12v DC input for external power to the unit and the GH4.
Out of the box (even without the DMW-YAGH) the GH4 records 4K video in .MOV or .MP4 formats using IPB codec at a bit-rate of 100Mbps. UltraHD 3840×2160 video can be recorded at 30p or 24p, while 4K 4096×2160 can be recorded at 24p (non-drop frame). It records 24p, 25p, 30p, 50p and 60p video in 1080p in .MOV and .MP4 formats using either an ALL-Intra codec at 200Mbps or an IPB codec at 100Mbps. A much more compressed AVCHD codec is also available for HD capture at 28Mbps and lower bit rates. The camera is a global camera, giving users the ability to select 59.94Hz, 50Hz or 24Hz signals depending on their intended delivery spec.
The VFR (Variable Frame Rate) feature enables recording 1080p video at up to 96fps, which is 4x slow-mo for 24p footage. Early details on this feature are slim; however, it appears that the camera will capture these files and conform them in camera to 30p or 24p footage using .MOV or .MP4 formats at 100Mbps bit rates. The VFR feature also allows time lapse shots to be captured down to 2fps and conformed to a .MOV or .MP4 file in-camera.
Panasonic "DMW-YAGH" turns GH4 into broadcast powerhouse
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