Yuan SC550N1 M2 HDMI (B/M) M.2 HDMI Capture Card with 1080p60 Input

Edge systems and small embedded PCs often have one short M.2 socket spare and a single HDMI source to capture, such as a camera, a medical or test instrument output, or a media player. The SC550N1 M2 HDMI (B/M) is Yuan’s M.2 HDMI capture card for that host, on a 22 x 42 mm card.

HDMI signals at 1920 x 1080p at 60/50 fps are captured at full rate, and 1920 x 1200p input is captured at up to 30/25 fps. Yuan’s table also lists 1080i60/50, 720p60/50 and PC timings down to 640 x 480. Color formats for capture and preview are 8-bit RGB24 and RGB32 at 4:4:4, YUY2 at 4:2:2, and YV12 and NV12 at 4:2:0. HDMI embedded audio is 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 connects over a PCIe x1 link in an M.2 B/M key socket. Yuan provides a Windows and Linux SDK, supports DirectShow and V4L2 software, and lists vMix, OBS, Zoom, Skype, Teams, Discord, Slack, Cisco Webex and GoToMeeting as compatible applications. The SC550N1 M2 HDV adds DVI-I and YPbPr inputs on a 22 x 60 mm card, and the SC540N1 M2 SDI takes an SDI camera on M.2.

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 22 x 42 mm. Yuan lists multi-device and multi-instance support, for hosts that run more than one card or capture session.