[mythtv-users] OT: A question on the HD-PVR and non-HD content

[Jean-Yves Avenard]

Hi

2009/2/19 John P Poet <jppoet at gmail.com>:
> resolution.  So, 480i can be configured to use a much lower bitrate
> than 1080i, since the extra bits will not help the picture quality.
>

A bitrate is independent on the resolution being used ...
it just indicate how much compressed (lossy) the video is.

So I fail to see how those "extra bits" won't help the picture quality
because it's 480i and not 1080i