Mailing List AE-List@media-motion.tv ? Message #41457
From: <TSassoon@aol.com>
Subject: Re: [AE] best codec for cross platform sharing
Date: Tue, 27 Dec 2011 14:14:35 -0500 (EST)
To: <AE-List@media-motion.tv>

In a message dated 12/27/11 9:25:55 AM, steveo@practicali.com writes:

I was not aware that they were going to release a SR codec.  thats interesting, but its based on h264 which could potentially be problems down the road due to patents insanity.



MPEG-4 isn't the same thing as H.264. And it has an MXF wrapper. Interchangeable between file and tape, it's a bit like a DV or HDV stream on spinach (well, to Popeye, anyway). The "SR Lite" rate is 220 Mb/s. Presumably once you've licensed the codec, any patent problems belong to Sony.

http://pro.sony.com/bbsc/ssr/show-highend/resource.solutions.bbsccms-assets-show-highend-hdcamsr.shtml?PID=I:highend_2011:hdcamsr#/postFileBasedFlow

Sony's new "Open Kimono" policy:

"Until recently, the only place you'd find the HDCAM SR codec was in a Sony recorder or tape. But now we're sharing the codec with a growing community of third-party vendors. We established the codec under the MPEG4 Simple Studio Profile (SStP), which has been internationally standardized as ISO/IEC 14496-2."

Third parties include Adobe, AJA, Avid and Blackmagic Designs. FYI, there's also the 16bpc 4K/8K RAW files that come out the back of an F-65 camera, not to be confused with SRFile. According to Neil at Hollywood DI, Resolve Lite can play back SRFiles in real time.

http://www.btlnews.com/crafts/post-production/hollywood-di-avid-blackmagic-design-and-sony-preview-sr-workflow-at-smpte/

And, everyone will be glad to know, it's all IIF ACES Workflow compatible.


Tim Sassoon
SFD
Santa Monica, CA
 
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