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LT-122

Dual DVI Capture Card with Hardware Compression

The LT‑122 provides professional dual‑channel SDI capture with embedded or external audio support and real‑time hardware compression. It supports SD‑SDI, HD-SDI and 3G‑SDI standards with multi‑channel acquisition.
  • Dual SDI inputs with embedded audio support
  • Real-time H.264 hardware compression
  • Two channels hardware encoders
  • From 1920x1080p60 down to SD (PAL, NTSC)
  • High reliability, 24/7 operation

Pricing (single unit):

1250 €

Specifications and Features

Interface

Inputs:
  • 2x SD/HD/3G SDI
  • 3D inputs supported
  • 2x 3.5 mm audio jack

Outputs:
  • 2x 3G-SDI loopthrough (optional)

Host:
  • PCIe Gen2 x1 or higher
  • Multiple LT-100 cards per system for scalable expansion

Video Engine

  • Real-time hardware-based video compression​ (2 channels)
  • Simultaneous uncompressed video capture​
  • Advanced hardware deinterlacing
  • Hardware video preprocessing prior to compression:
    • Downscaling
    • Noise reduction
    • HSBC
    • Text overlay
  • Configurable compression parameters (bitrate control, GOP, …)

Signals

  • Support for broadcast standards from SD (PAL, NTSC) up to 1080p60
  • Progressive and interlaced formats supported
  • Automatic input format detection
  • 2-channels audio PCM, 48 kHz

Software

OS:
  • Windows: 11, 10, 8 (64-bit drivers, 32-bit available on request)
  • Linux​ (Ubuntu 18.04 LTS or newer)

Video Compression:
  • H.264 video codec​
  • VC-1/WMV-HD video codec​

Software Support:
  • DirectShow support​ (Windows)
  • SDK for custom application development
  • Windows Media Services support​
  • Silverlight support

Downloads

ProductBrief

SDK

LT122 Product Brief

File not available

Unavailable

Documentation

4 MB | 02/12/2026

SDK 2.91.2

Windows: 3 MB | Linux: 3 MB

Installer 2.91.2

Win x64: 29 MB | Win x86: 22 MB

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