Yuan SC400N4 MC TVI Mini PCIe TVI Video Capture Card with 4 x TVI Inputs at 1080p30

Buses, trains and depots often run analogue HD cameras over existing coaxial cable, and the recorder that takes them is usually a compact embedded PC with little more than a Mini PCIe socket free. The SC400N4 MC TVI is Yuan’s 4-channel Mini PCIe TVI video capture card for that kind of install.

It accepts TVI, CVI, AHD and CVBS signals at up to 1920 x 1080p at 30/25 fps, plus 1280 x 720p at up to 60 fps, and 960H and standard definition CVBS at 960 x 480, 720 x 480, 960 x 576 and 720 x 576 interlaced. Audio arrives through four mono inputs on a wafer connector at 8 or 16 kHz. Capture and preview formats are RGB24 and RGB32 at 4:4:4, YUY2 at 4:2:2, and YV12 and NV12 at 4:2:0, all 8-bit, so host software can take frames in the format it already uses.

The card runs PCIe x1 over the Mini PCIe connector. On-board processing covers cropping and scaling, automatic signal detection and deinterlacing. There is no hardware encoder, so any compression runs in software on the host. Yuan supplies a Windows and Linux SDK for custom applications, and the card works with DirectShow and V4L2 software; Yuan’s compatibility list names vMix, OBS, Zoom, Skype, Teams, Discord, Slack, Cisco Webex and GoToMeeting. The SC400N4 M2 TVI puts the same four inputs on an M.2 2280 module with PCIe x2, and the SC400N4-L TVI offers them on a low profile PCIe card.

Yuan lists driver support for Windows 7, 8, 8.1 and 10, Linux 2.6.14 or higher in 32-bit and 64-bit builds, Linux ARM, and NVIDIA Jetson TX2, Nano, AGX Xavier and Xavier NX modules. Yuan lists multi-instance and multi-device support for systems that run more than one capture session or card. The card measures 30 x 50.95 mm, the full Mini PCIe size, so it fits the standard socket on embedded boards.