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  • Tetratune
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Tetratune Product Details

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Tetratune product image

Introduction

Our Tetratune™ product is a color tuner (sometimes known as a LUT box) designed to enable faithful director's-intent color rendering on modern HDMI displays. Designed specifically for use with calibration software from Light Illusion, market leaders in high-end color correction, our device is easily configured to optimise your display.


Our unit takes in video content via its HDMI input, applies a LUT (look up table) that compensates for the color inaccuracies of your display, and then outputs the compensated signal on its HDMI output. The LUT is programmed by calibrating your display using a color probe (sold separately) and a Windows application (also sold separately) called ColourSpace from our partners at Light Illusion.

If you're new to color calibration, Light Illusion provide an introduction and other excellent resources on their website.


Our slimline, low-power device supports formats up to 4K60. Employing 33-sided cube look-up-tables and tetrahedral interpolation, Tetratune offers outstanding color correction. Experience color as it was intended.

Tetratune and Light Illusion ColourSpace logos

Tetratune Specification

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Video Interfaces

  • HDMI 2.0b input & output
  • HDCP 1.4, HDCP 2.2, HDCP 2.3 
  • 8-bit, 10-bit and 12-bit color support
  • RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
  • Maximum resolution 4K @ 60Hz (bit depth at 4K subject to HDMI 2.0 bandwidth limit)

3D LUT (Look Up Table)

  • 33 sided cube LUT
  • LUTs must be loaded via ColourSpace software from Light Illusion
  • Storage for up to 100 LUTs
  • LUT selection based on EOTF and user-defined screen and mode selection
  • EOTF can be automatically detected, or manually selected, as one of the following:
    • SDR BT.709
    • HDR BT.2020 / ST 2084 (PQ/HDR10)
    • HDR BT.2020 / ARIB STD-B67 (HLG)
    • Other (any input not identified as one of the above)
  • Bypass mode to disable all LUTs when desired

Patch Generator / Test Pattern Generator

  • Integrated color patch generator for performing calibration measurements
  • Directly controllable by ColourSpace software from Light Illusion
  • Suitable for performing both SDR and HDR calibration using ColourSpace

Ethernet Connectivity

  • 2 x 1GbE RJ45 (1x PoE+ capable, see below)
  • Wired ethernet with passthrough allowing in-line connection
  • Web-based UI supporting both desktop and mobile browsers
  • Interfaces to ColourSpace software from Light Illusion over local network

Power

  • Supports Power Over Ethernet (PoE+), or optional 12V power supply
  • Local power rating of 12V 3.0A 50/60Hz
  • Max 30W @48V DC PoE+ power consumption 

Physical Specifications

  • Powder coated aluminium enclosure
  • 25cm x 15.5cm x 3cm physical size
  • 600g product weight
  • Operates between 0 and 35°C (32 to +95°F)
  • Storage temperature range of -20°C to 60°C (-4°F to 140°F)
  • Humidity range of 5 to 90% RH (no condensation)

Certifications & Manufacture

  • Complies with UKCA, CE, FCC, RoHS
  • Manufactured in Great Britain by Pulse-Eight

Supported Resolutions & Frame Rates

  • 1920x1080 @ 60Hz Interlaced 
  • 1920x1080 @ 50Hz Interlaced 
  • 640x480 @ 60Hz Progressive 
  • 720x480 @ 60Hz Progressive 
  • 720x576 @ 50Hz Progressive 
  • 1024x768 @ 60Hz Progressive 
  • 1280x720 @ 24Hz Progressive 
  • 1280x720 @ 25Hz Progressive 
  • 1280x720 @ 30Hz Progressive 
  • 1280x720 @ 50Hz Progressive
  • 1280x720 @ 60Hz Progressive  
  • 1600x1200 @ 60Hz Progressive 
  • 1920x1080 @ 24Hz Progressive 
  • 1920x1080 @ 25Hz Progressive 
  • 1920x1080 @ 30Hz Progressive  
  • 1920x1080 @ 50Hz Progressive 
  • 1920x1080 @ 60Hz Progressive 
  • 3840x2160 @ 24Hz Progressive 
  • 3840x2160 @ 25Hz Progressive 
  • 3840x2160 @ 30Hz Progressive 
  • 3840x2160 @ 48Hz Progressive 
  • 3840x2160 @ 50Hz Progressive  
  • 3840x2160 @ 60Hz Progressive
  • 4096x2160 @ 24Hz Progressive  
  • 4096x2160 @ 25Hz Progressive  
  • 4096x2160 @ 30Hz Progressive 
  • 4096x2160 @ 48Hz Progressive  
  • 4096x2160 @ 50Hz Progressive  
  • 4096x2160 @ 60Hz Progressive  

Disclaimer

Please be aware that since Tetratune has not been released yet, these details are subject to change. All information is believed to be correct at the time of writing, but I'm afraid we accept no liability for any errors or omissions. 

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