US 
Yuan SC550N1-L HDV PCIe HDMI, DVI and VGA Video Capture Card with 1080p60 Input
PCI ExpressSC550N1-L HDV Overview
Older equipment with component, S-Video or composite outputs, and computers with DVI or VGA, all need a capture path into a modern PC. The SC550N1-L HDV is Yuan’s PCIe HDMI, DVI and VGA video capture card for those sources, with DVI-I and analog inputs on one single-channel card.
The card takes DVI-I, YPbPr, S-Video and CVBS, and Yuan lists HDMI and VGA through DVI-to-HDMI and DVI-to-VGA converters. Digital video is captured at up to 1920 x 1080p at 60/50 fps, while 1920 x 1200 signals at 60/50 fps are taken in and captured at 30/25 fps, with PC modes down to 640 x 480 and more through the SDK. Capture and preview formats are RGB24 and RGB32 at 4:4:4, YUY2 at 4:2:2 and YV12 or NV12 at 4:2:0, all 8-bit, so host software receives frames in the layout it already expects. Cropping, scaling, deinterlacing and automatic signal detection run on the card rather than in host code. YPbPr runs to 1080p at 60/50 fps, while CVBS and S-Video cover 480i and 576i. Audio is one stereo embedded input at 16-bit and 32 to 48 kHz.
It is a PCIe x1 Gen1 card, with no on-board encoder. For software, Yuan provides Windows and Linux SDKs and lists vMix, OBS, Zoom, Skype, Teams and Webex among compatible applications through DirectShow and V4L2. The SC550N1-L AIO adds an SDI connector, and the SC550N2 HDV puts two DVI-I channels on one card.
Yuan lists support for Windows 7, 8, 8.1 and 10, Linux kernel 2.6.14 or later in 32-bit and 64-bit builds, Linux on ARM, and NVIDIA Jetson TX2, Nano, AGX Xavier and Xavier NX. The board measures 115 x 68.91 mm. A daughter board with DVI-I, YPbPr, S-Video and CVBS loop-through outputs is an option, not standard. The card has 16 GPIO lines and a watchdog, and Yuan lists multi-device support.
SC550N1-L HDV Specifications
| Overview | |
|---|---|
| Brand & Model | Yuan SC550N1-L HDV |
| Video Capture | |
| Host Interface | PCIe [x1, Gen1] |
| Simultaneous Video Inputs | 1 |
| Video Input | 1x CVBS 1x DVI-I 1x S-Video 1x YPbPr |
| Video Resolution Input | HD60 [1920x1080p @ 60/50fps] UXGA60 [1920x1200 @ 60/50fps] |
| Video Output | 1x CVBS 1x DVI-I 1x S-Video 1x YPbPr |
| Video Resolution Output | HD60 [1920x1080p @ 60/50fps] UXGA30 [1920x1200 @ 30/25fps] |
| Color Format | NV12 RGB24 RGB32 YUY2 YV12 |
| Audio Input | 1x HDMI Embedded Audio Input 1x RCA Audio Input |
| Audio Output | 1x HDMI Embedded Audio Output 1x RCA Audio Output |
Official Yuan USA Distributor
Things Embedded is an official Yuan USA distributor, supplying the SC550N1-L HDV for USA AV and industrial video projects. Within the Yuan range the SC550N1-L AIO adds SDI to the DVI-I input, and the SC550N2 HDV captures two DVI-I sources on one card.
With DVI-I and analog inputs the SC550N1-L HDV sits among our PCIe video capture cards and our DVI video capture cards. Where a PC must capture DVI, VGA or older analog video from one card, this is the model to specify.
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