Tag: PSNR

AV1 Has Arrived: Comparing Codecs From AOmedia, Visionular, and Intel/netflix

StreamingMedia | Sep 30, 2020 | VideoTech

Within 24 months, hardware support appeared, encoding became affordable, and AV1 became a much more realistic competitor to HEVC. Here’s how the currently available AV1 codecs measure up.

Video Quality Metrics: One Number Doesn’t Cut It

Streaming Learning Center | Sep 30, 2020 | VideoTech

Most of the time, when you see a video quality metric like VMAF or PSNR cited in a white paper or codec comparison, you see a single score or multiple scores over a test range defined by QP values or bitrates. However, many times, a single number can obscure or misrepresent codec quality, particularly when using 5 – 10-second test files.