The Magewell Pro Capture Hexa CVBS is a professional-grade video capture card designed to capture up to six CVBS (Composite Video Baseband Signal) video signals with embedded audio. Supporting resolutions up to 720x576 pixels, the Pro Capture Hexa CVBS is an ideal solution for applications such as video surveillance, archiving, and other environments where multiple CVBS sources need to be captured simultaneously. With advanced features like 10-bit video processing, deinterlacing, cropping, color adjustments, and hardware timestamping, this capture card ensures optimal performance across various video workflows.

The Pro Capture Hexa CVBS includes robust signal detection capabilities, auto-detection of input formats, timecode support, and closed captioning, making it a versatile tool for professional video environments. Compatible with Windows, Linux, macOS, and Chrome OS, the Pro Capture Hexa CVBS integrates seamlessly into diverse production setups and works well with popular software like OBS Studio, vMix, and others.

With its ability to handle six CVBS video inputs at once, the Pro Capture Hexa CVBS offers flexibility for multi-channel video capture. The card features loop-through functionality, allowing users to pass the captured video signals to other devices without the need for additional hardware. Designed for continuous 24/7 operation, the Pro Capture Hexa CVBS supports low-latency capture and high-speed memory, ensuring smooth and uninterrupted video workflows.

Pro Capture Hexa CVBS Specifications

Recommended OS
Windows 10/11/Server 2016/Server 2019/Server 2022/Server 2025 (x86 & x64) and above
Linux x86, x64 & ARM architecture, with 2.6.35 and above
Mac OS X 10.9 and above
macOS 10.12 and above

Supported APIs
Windows
DirectShow
DirectKS
Wave API/DirectSound/WASAPI
Linux
V4L2
ALSA

Supported Software
VLC
VirtualDub
OBS
XSplit
vMix
VidBlaster
Wirecast
Microsoft Media Encoder
Adobe Flash Media Encoder
Any other DirectShow/V4L2 encoding/streaming software

Input Interfaces
DB25
Composite video x6
Analog audio (L+R) x6

Host Interface
PCIe Gen2 x1

Input Features
Support for input video resolutions up to 720x576 pixels

Composite Specific Features
Support for NTSC, PAL and SECAM standards
Auto detection of video input standard

Video Capture Formats
Support for capture image resolutions up to 720x576 pixels
Support for capture frame rates up to 30fps
Support for 4:2:0 8-bit capture formats: NV12, I420, YV12
Support for 4:2:2 8-bit capture formats: YUY2, YUYV, UYVY
Support for 4:4:4 8-bit capture formats: V308, IYU2, V408, BGR24, BGR32
More capture formats are supported via SDK

Video Processing Features
Two video processing pipelines with ~180Mpixels/s processing bandwidth for each one
Video cropping
Video scaling
Video de-interlacing
Weave
Blend top & bottom field
Top field only
Bottom field only
Video aspect ratio conversion
Auto or manual selection of input aspect ratio
Auto or manual selection of capture aspect ratio
Three aspect ratio conversion modes: Ignore (Anamorphic), Cropping or Padding (Letterbox or Pillarbox)
Video color format conversion
Auto or manual selection of input color format & quantization range
Auto or manual selection of capture color format, quantization range & saturation range
Support for RGB, YCbCr 601, YCbCr 709 color formats
Support for Limited or Full quantization range
Support for Limited, Full & ‘Extended gamut’ saturation range
Video frame rate conversion
Video OSD composition
Support for PNG OSD image (up to 720x576)
Support for dynamic loading of RGBA OSD image via SDK

Multiple Cards per System
Support for multiple cards plugged to one system
On-board rotary switch to set card number, with 16 positions from 0 to F
System hardware device tree will display “01: Pro Capture Hexa CVBS” when rotary switch is set to 1, and so on
The video and audio device names displayed in your software will include the card number (set by the rotary switch)

Multiple Capture Streams
Unlimited capture streams for any one input channel
Independent cropping, aspect ratio, color format, resolution, frame rate, de-interlacing and color adjustment settings for each individual stream

Ultra Low Latency Support
Latency of 64 video lines
Partial notification mode in SDK

Timestamp & A/V Synchronization
Hardware based 100ns high resolution clock
Audio frames (192 audio samples) & video frames are stamped with hardware clock
Hardware clock can be synchronized across cards (via SDK)

Video Capture SG-DMA
~400MB/s per channel DMA bandwidth in PCIe 2.x system
~200MB/s per channel DMA bandwidth in PCIe 1.x system
Support for auto detection of Intel tiled GPU surface
Support for DirectGMA for AMD video adapter chipsets
Support for GPUDirect for Nvidia video adapter chipsets

SDK
Magewell Capture SDK for DirectShow for easy integration (Windows)
Magewell Capture SDK for DirectKS for maximum flexibility & performance (Windows)

Windows Driver Tweaks
All options can be controlled by three levels of registry key: global level, product level and device level
Video, Audio, Crossbar filter names can be customized via registry keys

Firmware Upgrade
Multiple cards in one system can be upgraded simultaneously
Cards can be upgraded without a system power shutdown (In most cases, even a reboot is not needed)
Safe upgrade. If power off or system break down occur when the firmware is being upgraded, it will automatically restore to the initial version.

LED Indicator
Status LEDs indicate the working state of each channel:
Pulsing slowly: input signal unlocked
On: input signal locked
Double blinks: memory failed or FPGA configuration failed
Off: firmware or power supply abnormal

Form Factor
Low profile PCIe x1 Add-on Card
118.16mm x 68.88mm (without PCI bracket)

Accessories
DB25 to Composite + Analog Audio breakout
Low Profile bracket

Power Consumption
Max current at 12V: ~ 0.48 A
Max current at 3.3V: ~ 0.11 A
Max power consumption: ~ 6.12 W

Working Environment
Operating temperature: 0 to 60 deg C
Storage temperature: –20 to 70 deg C
Relative Humidity: 5% to 90% non-condensing