Meryem Ersoz
Well-known member
Notes by the inimitable Tim Dashwood:
http://www.dvinfo.net/forum/final-c...ng-motion-compressor-updates.html#post1850256
http://www.dvinfo.net/forum/final-c...ng-motion-compressor-updates.html#post1850256
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: this_feature_currently_requires_accessing_site_using_safari
The update is in the Apple App store.Do you know where the download link is, please?
Prores 4444 XQ is still a 12 bit codec, but it is designed for HDR images many modern cameras are capable of. It is roughly double data rate around 500 Mbs and obviously allows lower compression, hence higher quality. Standard 4444 wasn't quite capable to handle HDR. At the time it was designed to work within confines of Rec-709. Obviously, that is no longer good enough. Apparently Amira is the first camera designed with 4444 XQ in mind and it will be taking advantage of this new codec. And so I hear is Sony. Prores 4444 XQ is part of standard collection of Apple codecs, meaning all software manufacturers will be able to use it on OSX, as long as it is 10.8 and higher. 4444 never had an issue with gamma shifts, as it is an RGB codec unlike 422 codecs, that are YUV. hence all 422 codecs were prone to gamma shifts...
Apparently Amira is the first camera designed with 4444 XQ in mind and it will be taking advantage of this new codec. And so I hear is Sony.
Where did you read that the Amira will be 4444 XQ enabled? So far all I'm seeing is that the Alexa XT/XR will include this, with a firmware update coming in August.
Although... there isn't a single consumer video display I know of that can even do 10 bits at the moment.To add an additional thought into the mix. There is some healthy motivation for the industry to move to 12 bit deliverables for in home display. H.265 is also in line with that.