sales@enciris.com

LT-313

Flexible 3-Channel 4K Capture Card with Embedded Audio and HDMI Loopthrough

The LT‑313 is a versatile 3-channel 4K capture card supporting 2 SDI and 1 HDMI inputs with embedded audio and HDMI loopthrough, offering flexible multi-source acquisition for broadcast, OEM, and monitoring systems.

  • 2 SDI + 1 HDMI inputs with embedded audio
  • HDMI loopthrough for flexible monitoring
  • Multi-channel 4K capture with real-time hardware processing
  • Low-latency acquisition for live or recording workflows
  • SDK & DirectShow support for custom software integration
  • High reliability, 24/7 operation

Pricing (single unit):

1200 €

Specifications and Features

Interface

Inputs:
  • 2x HD/3G Level-A/6G/12G SDI
  • 1 x HDMI 2.0, supplied with removable HDMI lock-nut

Outputs:

Host:
  • PCIe Gen2 x4 or higher
  • Multiple LT-300 cards per system for scalable expansion

Video Engine

  • Field Upgradable Software Reconfigurable Hardware (SRH)
  • Concurrent capture of up to 4 independent video streams
  • Hardware Scaler and Decimator on every input with automatic QoS control
  • Flexible real-time compositing and overlay support
  • 10-bit video processing
  • Designed for high reliability with continuous 24/7 operation

Signals

  • Auto Detection of incoming Video & Audio signal
  • Support video standards from 4Kp60 down to 720p
  • Progressive and interlaced video standards supported
  • Video Time Code
  • 2-channel embedded audio support at 48 kHz, 24-bit

Software

OS:
  • Windows (10 and higher)
  • DirectShow support for broad third-party software compatibility
  • Linux (Ubuntu 22.04 and higher, Debian 12 and higher)

Platforms:
  • AMD, Intel, ARM

Compression & Media:
  • H.264, H.265, MP4, JPEG, PCM and more
  • Internal use of FFmpeg within Enciris software stack

Developer Tools:
  • SDK and easy-to-use RESTful API
  • Reference client implementations provided as full source code in Go, C++ and Python
  • Command Line Interface (CLI) for quick evaluation
  • Demo application for rapid hardware and software testing

Downloads

ProductBrief

SDK

Product Brief

311 KB | 02/11/2026

Documentation 1.4.0

2 MB | 02/11/2026

SDK 1.4.0

Windows: 6 MB | Linux: 6 MB

Installer 1.4.0

Windows: 92 MB | Linux: 41 MB

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