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Model 812

8-Channel Frame Grabber
Sensoray Vendor:
  • Details
  • Specification
  • Order information
  • 8-channel mono audio capture
  • NTSC and PAL compatible
  • PCI Express x1 interface
  • Temperature: -40 to +85 °C

Sensoray Model 812 is an 8-channel PCI-Express frame grabber that can simultaneously capture 8 channels of NTSC/PAL video, plus optional 8 channels of mono audio. Each video channel captures at full frame rate 30 fps (for NTSC) or 25 fps (for PAL), which results in an aggregate frame rate of up to 240 fps (for NTSC) or 200 fps (for PAL). The board implements a single-lane (x1) PCI-Express interface that enables it to be plugged into any width of PCI-Express slots. All operating power is supplied from the PCI-Express bus and no external power supply is needed.

One model 812C1 cable (shown in image) is included with model 812, which can be used to connect eight video signals or eight audio signals to the board. In applications that require both audio and video inputs, an additional 812C1 cable should be purchased separately.


All 8 composite video inputs are connected through a DB15 connector with a DB15-to-BNC breakout cable. An additional 34-pin connector can be used for breaking in the all composite video input signals as well. The video capture resolution can be chosen from D1, VGA, QVGA, CIF, 4CIF, SIF, 4SIF, etc. Captured frames could be in YUYV, UYVY, RGB555, or RGB565 formats.


All 8 mono audio inputs can be connected through a second DB15 connector with an optionally supplied DB15-to-BNC breakout cable. The 34-pin connector can be used for breaking-in the all audio input signals too. The audio sampling rate could be at 8K, 16K, 32K, 44.1K, or 48K Hz.

Digital I/Os

8 general-purpose digital I/O (DIO) signals are provided for camera control, status indication, or alarming, etc. They can be configured to function as inputs or outputs.


A Software Development Kit (SDK) is currently available for Linux and an SDK for Windows is coming soon. The SDKs include drivers, programming samples, and comprehensive documentation to help users/programmers to quickly start and develop custom applications using the Model 812.


Sensoray Model 812 is designated for video surveillance applications. However, it can be used for all other multi-channel vision, image processing, and video capturing + recording applications. With chipset supplier's expectation, all video source signals are expected from stable video sources. The board is not suitable for week video signal sources and/or switching video source applications. To get better multi-channel perview performance on PCs with an Intel shipset, a discrete (non on-motherboard) graphic video card might be needed.

Technical specifications
Video Formats NTSC, PAL
Video Inputs 8 input channels, simultaneously:
8 Composite video via DB15 connector, 75 Ohms; or
8 Composite video via a 34-pin break-in connector, 75 Ohms
Audio Inputs 8 input channels: Mono, associated with the 8 separated video channels
8 Mono audio channels via DB15 connector, Line-in level; or
8 Mono audio channels via a 34-pin break-in connector Signal level: Line-in level, +/- 1.0V
Video Capture Mode Raw: YUYV, UYVY, RGB555, or RGB565
Video Capture Rate Up to: 240 (30x8) frames/sec for NTSC
200 (25x8) frames/sec for PAL
* See Maximum Channels vs. Maximum Frame Rate chart below for details
Resolution Supported:
D1.NTSC: 720x480, D1.PAL: 720x576
SIF: 352x240, 2SIF: 704x240, 4SIF: 704x480
VGA: 640x480, QVGA: 320x240, QQVGA: 160x120
CIF: 352x288, QCIF: 176x144, SQCIF: 128x96, 4CIF: 704x576
Audio Sampling Rate 8K, 16K, 32K, 44.1K, 48K Hz
Digital I/O 8 inputs, or 8 outputs, or 4 inputs + 4 outputs:
configurable inputs/outputs, break-in/out via a 34-pin connector;
or optionally via I/O terminal blocks;
Signal Level: TTL signals
Bus PCI-Express x1: Compliant of PCI-Express Base Specification (Revision 1.1/2.0)
OS Platform Linux and Windows
Power 825mW, +3.3V @ 0.25A
Board Size 4.1" x 3.9" (105mm x 100cm)

Environmental and physical specifications

Temperature -40 to +85 °C
Model Description
812 8-Channel Frame Grabber
812C1 Cable, DB15-to-BNC breakout for model 812 or model 810

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