Touted as a successor to HEVC, the Versatile Video Coding standard has a lofty goal of achieving at least a 30% improvement in compression efficiency over HEVC.
Let’s take a quick look at the objective of each of these codecs and see what gap they’re trying to plug, shall we? Versatile Video Coding – VVC / H.266
You may disagree, but, as someone who wrote HEVC code for years, I stand by what I said. For HEVC R&D teams, getting 20-30% gains over AVC was easy. However, HEVC turned out to be a flop and the failure of HEVC had almost nothing to do with the algorithms. The MPEG announced a successor to H.264/AVC and called it H.265/HEVC (High Efficiency Video Coding) that had a slew of new coding tools such as quadtree decomposition, new picture types, SAO filtering, etc. When we talk about encoders, the discussion isn’t complete without mentioning H.264/AVC which is still ruling supreme since its introduction by MPEG (in 2003, I think). You need to make sure that the quality-complexity-efficiency trade-offs are met and decoder support is available amongst other things. Hypothetically, this is simple, but practically, this is difficult.
The easiest way to perform this balancing act is to upgrade to the best encoder or encoding technology on the market. In other words, balance video quality with dollars. So, the goal of every encoder team is to create a fine-balance between quality and bitrate. If you compromise on compression efficiency and create larger files, then you will have to spend more on CDN delivery costs. If you “tune” your encoders to maximize video quality, you’ll have to compromise on compression efficiency and spend more bits and vice-versa. Video Compression is a critical component in the video delivery pipeline and can make a massive make-or-break impression in the minds of the end-user. The pandemic might have stymied other industries, but, has actually given a filip to the streaming industry, because people are stuck indoors, and watching videos provides a much-needed escape from the daily routine! Video traffic is growing by the day and that is not going to stop any time soon. Video Compression is Critical To Your Infrastructure Low Complexity Enhancement Video Coding – LCEVC (MPEG-5 Part 2).Essential Video Coding – EVC (MPEG-5 Part 1).Video Compression is Critical To Your Infrastructure.
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