UK 
Yuan SC542N8 SDI PCIe SDI Video Capture Card with 8 x SDI Inputs at 1080p60
PCI ExpressSC542N8 SDI Overview
Large SDI camera systems, from multi-camera productions to monitored sites, need many feeds recorded in step without filling the host with cards. The SC542N8 SDI is Yuan’s 8-channel PCIe SDI video capture card for that scale, with eight SDI inputs on one PCIe x4 card.
Each channel captures SDI up to 1920 x 1080p at 60/50 fps, with HD-SDI at 1080p30/25/24, 1080i60/50 and 720p60/50, and SD-SDI at 720 x 480i and 720 x 576i. Capture and preview formats cover RGB24 and RGB32 at 4:4:4, YUY2 at 4:2:2, and YV12 and NV12 at 4:2:0, all at 8-bit. Eight embedded audio channels are captured as stereo 16-bit at 32 to 48 kHz. On-board processing handles cropping and scaling, auto signal detection and deinterlacing. There is no built-in hardware encoder, so any encoding is left to the host software.
The card uses a PCIe x4 Gen2 link. Software support runs through Yuan’s Windows and Linux SDK and standard DirectShow and V4L2 drivers, and Yuan names vMix, OBS, Zoom, Skype, Teams, Discord, Slack, Cisco Webex and GoToMeeting as compatible. The SC542N8 HDMI is the 8-channel HDMI card on the same size board, and the SC542N6 HYBRID mixes five SDI inputs with a DVI-I input.
Operating system support covers Windows 7, 8, 8.1 and 10, Linux from kernel 2.6.14 in 32-bit and 64-bit builds, Linux on ARM, and NVIDIA Jetson TX2, Nano, AGX Xavier and Xavier NX modules. The board measures 167.65 x 101.03 mm and carries 16 GPIO lines and a watchdog. Yuan lists multi-device and multi-instance support, for hosts that run more than one card or capture session.
SC542N8 SDI Specifications
| Overview | |
|---|---|
| Brand & Model | Yuan SC542N8 SDI |
| Video Capture | |
| Host Interface | PCIe [x4, Gen2] |
| Simultaneous Video Inputs | 8 |
| Video Input | 8x SDI |
| Video Resolution Input | HD60 [1920x1080p @ 60/50fps] |
| Video Resolution Output | HD60 [1920x1080p @ 60/50fps] |
| Colour Format | NV12 RGB24 RGB32 YUY2 YV12 |
| Audio Input | 8x SDI Embedded Audio Input |
Official Yuan UK Distributor
Things Embedded is an official Yuan UK distributor, supplying the SC542N8 SDI installed in the multi-channel capture PCs we build for UK broadcast and monitoring projects. Within the Yuan range the SC542N8 HDMI captures eight HDMI sources instead, and the SC542N4 SDI handles four SDI cameras.
With eight SDI channels on one card the SC542N8 SDI sits among our PCIe capture cards and our SDI video capture cards. Where eight SDI cameras must be recorded at 1080p60 from one slot, this is the model to specify.
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