RedShark News

Replay - The best of 2012: 8 bit or 10 bit?

Published in Technology

In case you missed first time around, here's one of the best articles from 2012, by Phil Rhodes: 8 bit or 10 bit? The truth may surprise you!

The art of Motion Tracking

Published in Post

For most of the history of film, if you wanted to insert something into the picture that didn't exist,  the camera had to be stationary. Motion tracking allows artificial objects to be inserted convincingly into real footage. Phil Rhodes explains

Watch out pixels! There's a new Vector-based codec

Published in Technology

Researchers at the University of Bath claim to have invented a codec based not on pixels but on vectors. Vector graphics have been around for a long time but until now they have not been considered to be suitable for general purpose image work - and certainly not for video - because while they have distinct advantages, they are difficult to use where images are complex

There are so many great articles in RedShark's archive - we're publishing this again in case you missed it first time!

H.265 AKA HEVC. The next generation of video compression

Published in Technology

You will hear a lot about codecs when it comes to 4k in the next few months, but the most important one of them all finally reaches an important milestone in January when HEVC hits the Final Draft International Standard stage. Ratification and commercial products supporting it will not be far behind

Sony explains XAVC in detail

Published in Technology

Even though some people groaned when Sony announced their XAVC codec back in October 2012, it's beginning to look like it is more than just another variation on the h.264 theme. What it may turn out to be is a rich environment for 4K production that is widely supported by NLEs and post production vendors

The art of Colour Rendering

Published in Post

Human beings come in a variety of exciting colours. Rendering those colours in a pleasing way has been a goal of photography since before photography actually had colours, but it's always going to be an incredibly subjective issue

8 bit or 10 bit? The truth may surprise you

Published in Technology

It’s a great pity that in order to enjoy the benefits of digital imaging, we must use pixels that may only be one of a comparatively small selection of colours, as opposed to the effectively infinite subtlety of nature. Phil Rhodes spreads light and understanding about quantization and noise.

Could VP9 be the codec for 4K Blu-Ray?

Published in Distribution

 Even though many pundits think 4K will be delivered by streaming, there are plenty of households still with slower broadband for whom this will not be an option. Now, it seems, Google's free VP9 codec might be a candidate for a new "Blu-Ray" format

H 265 is the new H 264

Published in Distribution

The (draft) specification for H.265 is out. What is it, and what does it mean for the video industry? We get an expert's view.

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