In a major new article, Phil Rhodes explores the background to HEVC/H.265, and explains what makes it so good at compressing video. Read this if you want to know how almost all video - including 4K - will be delivered in the near future
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.
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
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
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
This article was extremely popular when we first published it. In case you missed it first time - here's a second chance to read it. Sony's XAVC is used across an increasing number of its professional camcorders. Why did they choose yet another format? There were good reasons, as we explain below
Redshark's only 10 months old, and our readership is growing all the time. So if you're a new arrival here you'll have missed some great articles from earlier in the year