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News AOMedia launches open-source AV1 Ultra HD codec

Discussion in 'Article Discussion' started by bit-tech, 29 Mar 2018.

  1. bit-tech

    bit-tech Supreme Overlord Staff Administrator

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  2. edzieba

    edzieba Virtual Realist

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    The "30%" improvement is based on PSNR comparisons, which is worth bugger-all for real-world quality (even worse than SSIM!). There's a good reason why turning on the 'optimise for PSNR' tuning options in encoders makes the image look worse: the human visual system is not a per-pixel error comparator.
    Like with VP8 and VP9, I'll wait for actual real-world psychovisual comparisons of encoding quality, and like with previous projects I expect patent licensing to still rear its ugly head regardless (as it always tends to with video encoding standards), as the presence of a free patent licensing pool does not prevent 'aggressor' pools forming and launching lawsuits.
     
  3. Ramble

    Ramble Ginger Nut

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    Good, free and open standards are the only way computing can be fair and available for all. Hopefully some of the new image standards coming will be free as well.
     
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