What's the best way to visually compare codec compression? Maybe I'm mistaken, but a long while ago I seem to have read an article about comparing videos encoded by different codecs.
Basically what I think what was done, was to put them together in a timeline - and by use of some effects - &quot;null&quot; them so you could only see the difference.
Now that I'm writing it down, I'm not so sure anymore - but I just wanted to check if someone knows a way to efficiently compare codec compressions.
I can only think of 2 perspectives: industrial and recreational.
Industrial: visual examination is super expensive, you may take a look of how Netflix do the comparison https://netflixtechblog.com/performance-comparison-of-video-coding-standards-an-adaptive-streaming-perspective-d45d0183ca95
Recreational: you may check out youtube with codec comparison e.g. 
                
             or doom9 
                
            
Hope this answers your questions.