HDR

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This topic contains 1 reply, has 2 voices, and was last updated by  Daniel Shwartzberg 1 year, 3 months ago.

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  • #2370

    Do the current HDBaseT chipsets support HDR?  There are a number of HDBaseT extenders out there claiming support for HDR, but their specs say they only support 10.2gbps.  From my understanding HDR is not supported at 10.2gbps, but at around 11 or 12gbps – meaning with most devices you need full 18gbps/HDMI 2.0 to support HDR.

     

    #2381
    Daniel Shwartzberg
    HDBaseT Alliance

    Hi Joe,

    Thanks for the question.

    The guideline for HDBaseT video support is that the maximum video pixel clock frequency must not exceed 340MHz. This means that 4K/60/4:4:4 video running with 10b HDR (or even without) is indeed beyond the limit of the 10.2Gbps HDMI bandwidth that current HDBaseT chipsets support. However, if working with 4K/60/4:2:0 format and 8b HDR (or even 4K/24/4:2:0 10b HDR [BT.2020]), then this will fit the current HDBaseT bandwidth.

    Bottom line is that it’s important to check with the vendor exactly which HDR formats are supported.

    Hope this helps.

    Daniel

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