Grass Valley LGK-3901 User Manual
Page 11
GUIDE TO INSTALLATION AND OPERATION
LGK-3901/DSK-3901 | 5
2.2 Features
MODULAR, 3G/HD/SD DOWNSTREAM KEYER
• Single, modular card downstream keyer with dual, independent fill and key inputs
• Two independent keying layers fed by external graphics devices (dual fill & key inputs)
• Independent preview output
• AB mixing of video sources for cuts, cross-fades and V-fades with variable rates (LGK-3901-OPT-ABMIX)
• Module is housed in Densité 3 frame, with up to 10 cards (channels) per frame
• Supports 3G/HD/SD (1080p59.94, 1080p50, 1080i59.94, 1080i50, 720p59.94, 720p50, 525i59.95, 625i50)
• Uses widely adopted Oxtel automation protocol (Ethernet, RS-232/422)
• Manual control options include Branding Panel, Xpanel GUI, and iControl PC-based control
DYNAMIC AUDIO PROCESSING
• AB mixing of multi-channel audio sources for cuts and variable rate fades (DSK-3901-OPT-AUD/OPT-ABMIX)
• Multi-channel voice-overs from embedded SDI or external AES inputs (DSK-3901-OPT-AUD)
• Wide shuffles and per-channel control of gain level, trim, phase and mute (DSK-3901-OPT-AUD)
• Dynamic selection of audio preview points and metering (DSK-3901-OPT-AUD)
• Fade to silence and configurable audio delays (DSK-3901-OPT-AUD)
ROBUST DESIGN
• Compact flash memory for O/S and software
• Robust Linux architecture (like Imagestore 750)
• Densité 3 frame offers redundant, hot swappable power supplies
• Mechanical bypass of program input to program output
• Dedicated GPI support for 8 GPI inputs and 8 GPI outputs
• One line FIFOs on each input for simplified system timing
• Easy diagnostics via Densité 3 front panel, video thumbnails over IP, and iControl monitoring & control
• Built-in web server providing front panel control, system information, message logs and diagnostics, audio
templates, system backup and restore and software upgrades.
• Configuration tool for granular control of system setup and audio route management
COMPREHENSIVE Densité RANGE
• DSK-3901 processor can be easily combined with other Densité modules in the 3RU frame, including routers,
DAs, converters, reference, and monitoring modules