[MPlayer-dev-eng] [RFC] preliminary x264 encoding help text

[Loren Merritt]

On Sun, 10 Apr 2005, The Wanderer wrote:
> Jeff Clagg wrote:
>
>> Before continuing, I should explain that I'm using only one quality
>> metric: global PSNR. This is reported as the last PSNR number reported
>> when you include the "psnr" option in x264encopts. Any time I make a
>> claim about PSNR, one of the assumptions behind the claim is that equal
>> bitrates are used.
>
> I'm not sure it's worth explaining it here, but I'll note (as I've done
> recently) that not everyone trying to do encoding knows what PSNR stands
> for; especially if this guide is in any way aimed at encoding newbies,
> it might be good to expand the term in parentheses at the first usage.

I disagree. Either you know what PSNR is, or it requires a lengthy 
explanation, or you just hand-wave it as "quality". Knowing what it
stands for doesn't help unless you're going to explain it.

--Loren Merritt