XAVC 4 k 480 codec V8.0

Haven't seen no debate yet, but it seems to me that the new 4 k 480 codec is perhaps the most exciting aspect of the latest announcements. Compressed 4 k with a minimal flow of manageable data and artifacts.

Are Peter et al, we able to obtain the specific sheet about the codec again? 4:2:2 is a given, but is this always just 10-bit, or will it be 12 bit? (Pretty please, please!)

Also, is it possible to see a similar to 2 k recording update? 12 bit 4:4:4 XAVC in 2 k would be extremely useful.

All,

XAVC Class300 is the current implementation of the XAVC 10 bit 422 in the F5, F55 cameras. We are able to implement the Class480 upwards to 30 p because it is still within the bandwidth, threshold of the existing SxS card shape for sustained flow write speeds.

As a benchmark, the Class300 is 300Mbps to 30 p. And the class 480 480 Mbit/s to 30 p. It is simply mount the data rate, and with a little better PSNR - Peak Signal to Noise Ratio - the two classes are in the implementation of the XAVC 10 bit 422

As you may know, XAVC is the implementation of Sony of H.264, to very high quality @Level 5.2. The architecture of coding is process each image based on the characteristics of unique photo. In other words, the camera is independently encoding each image based on information from complex frame-by-frame. It's very different from codecs of competitor in the competitor cameras in which they define the different coding to the first frame only and do not change during the writing of this file.

If you really want to see a difference in image quality between the existing Class300 and the Class480 what you photograph, much will depend on the level of complexity in each frame.

Several workflow of third party suppliers are already supported including Resolve and Adobe Class480. If you look in their XAVC settings you will see listed.

Concerning

Peter

Tags: Large Sensor Cameras

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