pCapture-4K Model LT-311D PCIe 4K-P60 Video Capture 2 x 12G-SDI IN – HDMI 2.0 OUT

LT 311D PCIe 4K-P60 Video Capture

2 x 12G-SDI IN – HDMI OUT 2.0

4K-P60 PCIe Capture

  • Supports 4K and UHD Video capture at frame rates up to 60fps
  • 12G-SDI, 6G-SDI, 3G-SDI and HD-SDI formats supported on all inputs.
  • Auto Detection of Single Link, Dual Link.
  • HDMI 2.0 monitor/pass through output.
  • Multiple streams capture supported.
  • Host Interface : PCIe Gen2 x4
  • Ultra low latency support (64 Video Lines)
  • Windows & Linux SDK and API

The LT-311D is a 12G-SDI 4K/UHD video capture and frame grabber board for PCI express based desktop and embedded systems. It is primarily designed for video recording, image capture, and video streaming applications where robustness, reliability and long-term availability are critical. The LT312 is typically used in high-performance medical, laboratory, industrial, and aerospace systems.

Capable of acquiring raw uncompressed video signals with resolutions and frame rates up to 4K (4096 x 2160) at 60 frames per second with zero frame drops under all normal operating conditions. The LT-311D achieves this through smart hardware frame buffering, high bandwidth processing and a four lane PCI express Gen.2 bus.

All standard HD, UHD and 4K video formats are supported from 720p to 4K DCI.

The LT-311D features four BNCs for SDI compatible HD/3G/6G/12G SMPTE formats. For UHD/4K at 50 or 60 frames per second either 2 x 6G-SDI, or 1 x 12G-SDI can be used.

There is also a multi-channel SDI acquisition mode where up to two different video signals can be captured simultaneously. In this mode the signals are limited to 1080p60 or below. Each of the inputs can be of the same format or have different resolutions and frame rates.

An extensive set of software tools are available to assist in the evaluation, use, and customer integration of the LT312 support. An easy-to-use API along with numerous examples with source code are provided. Support for DirectShow, ffmeg, Video4Linux, .NET, c++, c#, Python, etc., simplify product development and integration into existing applications.


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Diagram

The LT-312D features a standard HDMI ouput as well as two BNCs inputs for SDI compatible HD/3G/6G/12G SMPTE formats. For UHD/4K at 50 or 60 frames per second either 2 x 6G-SDI, or 1 x 12G-SDI can be used. The HDMI output for monitoring/pass-through or for use as a composite image output (overlay, pip,etc.)


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Video Processing Diagram

The LT-311D is comprised of several functional elements as shown in the diagram above, the video multiplexing and video acquisition blocks are the responsables of detecting the type of video input (single/dual link resolution, frame rate …) and of sending this information together with the video data to the acquisition buffer.

From there the video data can be send directly to the Host PC through the PCIe Bus Interface or additional video processing such a hardware deinterlacing, color adjustments, video scaling can be done before transmiting to the Host PC


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Specifications and Features

Interface

Inputs

  • BNC x 2 (HD/3G/6G/12G SDI)

Outputs

  • HDMI 2.0

Host Interface

  • PCIe Gen2 x4

Video Capture

  • 4K/UHDTV Capture (3840 x 2160)
  • Conversion between Multi-link, dual-link and single-link UHD-SDI interfaces
  • Real Time SD/HD/3G/6G/12G
  • Multiple streams capture supported.
  • Ultra low latency support (64 Video Lines)

Software

  • Windows and Linux Driver and Firmware
  • API ffmpeg, Video4Linux2
  • SDK for DirectShow for easy integration (Windows)
  • Compatible with over 50 industry softwares

Input Interface
  • BNC x 2 (4x3G-SDI, 2x6G-SDI, 12G-SDI)
Output Interface
  • HDMI 2.0
Host Interface
  • PCIe Gen2 x4
  • Support for multiple cards plugged per system
Video Standards
  • 12G-SDI (SMPTE-2082 – 12/10/8-Bits)
  • 6G-SDI (SMPTE-2081 – 10/8-Bits)
  • 3G-SDI (SMPTE-259/292/296/424/425 – 10/8-Bits) Dual/Single Link
  • HD(1.5G)-SDI (SMPTE-272/292 – 10/8-Bits) Dual/Single Link
Video Formats
  • 4096 x 2160p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 3840 x 2160p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 2048 x 1080p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 1080p @ 23.98, 24, 25, 29.97, 30, 50, 59.94, 60 fps
  • 720p @ 30, 50, 59.94, 60 fps
  • 1080i @ 30, 50, 59.94, 60 fps
SDI Features
  • Cable equalizer on each input
  • Support for HD/3G/6G/12G-SDI formats
  • Support for 2SI and Quad mapping in 12G format
  • Auto detection of single link or dual link
  • Support for YCbCr 4:2:2 color sampling
  • Support for 8/10-bit color depth
  • Support for extraction of SMPTE 352 payload identifier
Enciris Video Engine
  • Full 4:4:4 10-bit video processing
  • Video Cropping, Video Scaling
  • Video advanced hardware deinterlacing
  • Video color space conversion
  • Video Overlay (dynamic loading of RGBA OSD image)
Output Video Interface
  • HDMI V2.0
  • 594 MHz HDMI transmitter
  • Support for RGB 4:4:4, YCbCr 4:4:4 and YCbCr 4:2:2 color space
  • If monitor does not support 4K/UHD the LT-311D will automativally downscale to 2K/1080
  • Support for 8/10/12-bit color depth

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Typical Applications

  • HDTV capture and storage
  • Digital video recorders
  • Machine vision video recorders
  • Inspection systems
  • Video Medical systems
  • Teleconferencing
  • Video surveillance systems
  • Endoscopy DVR
  • Video Over Lan
  • Internet broadcasting
  • Inspection systems