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Så har HdFury lyckats med att knäcka denna nöt :-)
Today, 6 years after the initial release, we are proud to announce that HDfury X4 is now capable of converting HDR to SDR !
HDfury X4 is now capable of converting 1080p HDR to 1080p SDR for perfect 1080p streaming while gaming in 4K HDR, for ambient light solution or for capture and 1080p display needs. The difficulty with this HDR to SDR conversion actually does not lie in the algorithmic mapping of HDR PQ signal into the SDR domain but the fact that the result video even when converted with just PQ conversion does not look the same on TV. Its clear that when a HDR tv goes into HDR mode, it activates processing that is not uniform across different TVs. the image appears somewhat different between HDR TVs based on our experiments. Therefore, said from another point of view, what you see on HDR TV - when converted back to SDR - does not appear similar on different 1080p screens because the HDR image already was different. Also, different HDR sources are mastered for different target nits. Some for 1100 / 1400 or 4000 or 10000 nits. Regular SDR is 300nits. So converting and scaling from a moving target into 300nits is another issue. Sometimes image is darker and sometimes lighter. All these taken into account the product needs a robust color processing in addition to PQ conversion. We have done just that and thats why the delay to do it. Here is the first iteration of all the color algos + PQ conversion done and to us they look good already.
https://www.hdfury.c...duct/hdfury-x4/
Today, 6 years after the initial release, we are proud to announce that HDfury X4 is now capable of converting HDR to SDR !
HDfury X4 is now capable of converting 1080p HDR to 1080p SDR for perfect 1080p streaming while gaming in 4K HDR, for ambient light solution or for capture and 1080p display needs. The difficulty with this HDR to SDR conversion actually does not lie in the algorithmic mapping of HDR PQ signal into the SDR domain but the fact that the result video even when converted with just PQ conversion does not look the same on TV. Its clear that when a HDR tv goes into HDR mode, it activates processing that is not uniform across different TVs. the image appears somewhat different between HDR TVs based on our experiments. Therefore, said from another point of view, what you see on HDR TV - when converted back to SDR - does not appear similar on different 1080p screens because the HDR image already was different. Also, different HDR sources are mastered for different target nits. Some for 1100 / 1400 or 4000 or 10000 nits. Regular SDR is 300nits. So converting and scaling from a moving target into 300nits is another issue. Sometimes image is darker and sometimes lighter. All these taken into account the product needs a robust color processing in addition to PQ conversion. We have done just that and thats why the delay to do it. Here is the first iteration of all the color algos + PQ conversion done and to us they look good already.
https://www.hdfury.c...duct/hdfury-x4/
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