Ars Technica

Ogg Theora vs. H.264: head to head comparisons

In PSNR and SSIM testing, I've found 5Mbps 720p video compressed with x264 to be far and away superior to Theora. PSNR differed by 4.2 dB while SSIM of Theora was 0.89 as opposed to H.264's 0.94.
Security

Real words or Buzzwords?: H.264 and I-frames, P-frames and B-frames – Part 2

In his latest "Real Words or Buzzwords" column, SecurityInfoWatch.com contributor Ray Bernard examines the different H.264 video frames types and how they relate to the intended uses of video. This is ...
Geeky Gadgets

HEIF, AVC, H.264, H.265, HEIC and HEVC image and video codecs explained

In the ever-evolving world of technology and video capture and formats, new standards often appear to enhance our digital lives. A good example of this is the high-performance file formats and codecs ...
Ars Technica

Ogg Theora vs. H.264: head to head comparisons

The simple answer is that Theora was never meant to be an advanced codec. It was originally meant to compete with the likes of DivX 3.11 and early Xvid. The more complex answer is that Xiph was ...