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Reference


DeckLink Duo

Blackmagic Design
Connections
SDI Video Input 2 x 10 bit SD/HD independantly switchable.
SDI Video Output 2 x 10 bit SD/HD independantly switchable.
SDI Audio Input 8 Channels per input, embedded in SD and HD.
SDI Audio Output 8 Channels per output, embedded in SD and HD.
Sync Input 1 x common sync input. Blackburst in SD, 720p50, 720p59.94, 1080i50 and 1080i59.94 formats or Tri-Sync in any HD format.
Device Control None
Computer Interface PCI Express 4 lane, compatible with 4, 8 and 16 lane PCIe slots.
Standards
SD Format Support 625/25 PAL, 525/29.97 NTSC and 525/23.98 NTSC.
HD Format Support 720p50, 720p59.94, 720p60, 1080PsF23.98, 1080p23.98, 1080PsF24, 1080p24, 1080PsF25, 1080p25, 1080PsF29.97, 1080p29.97, 1080PsF30, 1080p30, 1080i50, 1080i59.94 and 1080i60.
SDI Compliance SMPTE 259M and 292M.
SDI Metadata Support VITC read for 3:2 pulldown removal. 
VANC capture and playback using up to 3 lines of video in file. HD RP188. Closed captioning.
Audio Sampling Television rate of 48kHz and 24 bit.
Video Sampling 4:02:02
Color Precision 10 bit
Color Space REC 601, REC 709
Multiple Rate support SDI video connections are switchable between standard definition and high definition. SDI switches between 270 Mb/s standard definition SDI and 1.5 Gb/s HD-SDI.
Processing
Colorspace Conversion Hardware based real time.
HD Down Conversion HD to SD on video capture or video playback.
HD Up Conversion SD to 720HD or 1080HD on video capture.
Cross Conversion 720HD to 1080HD on video capture.
Real Time Effects Apple Final Cut Pro™ internal effects. Adobe® Premiere Pro® Mercury Playback Engine effects. Avid Media Composer 6™ internal effects.
Extras
Software Included Media Express, Disk Speed Test, LiveKey, Blackmagic System Preferences and Blackmagic driver on Mac OS X™. Media Express, Disk Speed Test, LiveKey, Blackmagic Control Panel and Blackmagic driver on Windows 7™. Media Express, Blackmagic Control Panel and Blackmagic driver on Linux.
Internal Software Upgrade Firmware built into software driver. Loaded at system start or via updater software.
Physical Installation PCI Express 4 lane, compatible with 4, 8, 16 lane PCI Express slots. Please see the full system requirements for Mac OS X and Windows 7. Mac OS X systems require an Intel-based Mac Pro computer.
Product Warranty 3 Year Limited Manufacturer's Warranty.
Jitter Performance
Test Results None