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By Andrew Reid · Posted
The Chinese are great but they need to watch this And this... -
By Andrew Reid · Posted
The Alexa has a really fast sensor readout, 2ms... motion cadence on that is of course fine as it is on all of ARRI's cameras, so that probably excludes fast readout as being the issue. Maybe some cameras implement the shutter timings differently to others? Say if you are in 1/50 or 1/40 or 180deg shutter the sensor might still remain in 60fps and it will just expose for longer and then the image processor converts it from 60p to 24p and then the codec maybe fudges things further with trickery like inter-frame compression and inter-frame noise reduction, whereas on a simpler camera like the Digital Bolex there is none of that shit and basically a global shutter sensor and entire image pipeline optimised for 24fps at 180 degree shutter. Maybe some of our modern mirrorless camera sensors have a true 24fps mode and others only have 60fps mode, process the 24p from that. Maybe some codecs are truly awful at motion... On the 50D it didn't have a video mode at release if I remember correctly? Magic Lantern enabled it via the raw video hack, but there's no H.264 mode is there? I could understand why some of the older H.264 low bitrate codecs hurt motion a lot, Cinema DNG and Magic Lantern were like going from digital video to film. The leap was that big. I should do some tests in Cinema DNG on my Sigma Fp-L as it is a direct sensor feed, uncompressed RAW and no pixel binning in the 1.3x crop mode. I bet that looks pretty good at 180 degree shutter in 24p. -
By Andrew Reid · Posted
So the news is in... https://www.eoshd.com/news/openai-decides-content-is-worth-paying-for-but-only-if-its-disneys/ OpenAI is being paid $1bn. Disney is paying them to license their entire range of intellectual property. You read that right... Disney is paying OpenAI! In return OpenAI will get to use Sora and other OpenAI tools - presumably they would have had to pay for these at some point so factored it into the $1bn. These tools will be used by Disney staff at HQ and in the creative process. In return Disney will also get an equity stake in OpenAI. This strikes me as a very good precedent for OpenAI. They are getting IP holders to pay them, rather than the other way round where OpenAI pays for content rights. There must have been absolutely no chance Disney could have won their lawsuit on copyright grounds for this deal to have any chance whatsoever. They must also have been persuaded that Sora AI fan videos of Star Wars would have an incredible social media reach for years to come, it's like free marketing isn't it? The guardrails must be really tight. No way are you making that Jabba the Hutt sex tape. -
varicam 27h has 60p, 3 ccd thus global shutter no debayering, dps from 2000-2010 like its footage and see it as a substitute of 35mm film rolls. maybe ccd performs better even with a relative fast reading sensor? -
when i pan with c300 og, the 50mbps mpeg codec makes the whole scene blur. i cannot see anything clearly. once the panning stops, suddenly the image is very clear. i just hate it. i use nanoflash's top codec 280 mbps mpeg and 30p and it is cured. when using ml raw cameras, i see clear images during slow panning (fast panning shows rolling shutter) at 24p. i almost always use 24p for ml raw cams to save bandwidth.
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