[mythtv-users] Automatic onversion from MPEG-2 to H264
Joel Means
means.joel at gmail.com
Tue Mar 24 19:11:50 UTC 2009
On Tue, Mar 24, 2009 at 1:00 PM, belcampo <belcampo at zonnet.nl> wrote:
> David Brodbeck wrote:
>
>>
>> Two-pass will give significantly better quality than one-pass at the same
>> bitrate. If you're not in a big hurry, use two-pass.
>>
> Quality ain't better, but uses slightly less diskspace, so average bitrate
> will be a little lower, needing less diskspace.
>
>>
>>
>
He said at the same bitrate, quality is better. That is true. If you set
the same bitrate, 2-pass makes better use of the available bits. If you set
the quality level, 2-pass gives you a smaller file, because you can get the
same quality at a lower bitrate.
Joel
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