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Newsgroups: alt.binaries.multimedia.comedy.british
Subject: Re: Pat a ? for you about compression..
From: Pat <Pat@nomail.com>
References: <Ilpvw.308457$I4.288662@fx34.am4>
User-Agent: Xnews/2009.05.01
Date: 20 Jan 2015 14:55:02 GMT
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On Tue, 20 Jan 2015 09:37:44 GMT, Sadsack <Sads@ck.com> wrote
> Hi Pat,
>
> The info you gave me yersterday was invaluable..... I just need a
> little help...
>
> Lets say I have a movie that is 90 mins (average for a movie).. and I
> want to have a file size including audio to about 1.5 to 1.6 gb...
> compressed using handbrake to mkv, what would be the best details to
> use..
>
I always use strict anamorphic, that gives the largest possible
resolution.
Detelecine for NTSC film, decomb for NTSC video(TV) or PAL.
For average bit rate mode the same formula:
Size in kbits/time in seconds
so
1500000*8/(90x60)=2222 kbps total
less the audio bitrate (you can find the audio bitrate with mediainfo)
probably about 2000.
However, I wouldn't do that.
I use constant quality mode crf=20. If the file is too big , I would
increase the crf by 1 and redo until it is small enough.
I use the very slow x264 preset which gives maximum compression and the
film tune for films.
High profile, level 3.0
The handbrake domumentation is pretty good
https://trac.handbrake.fr/wiki/HandBrakeGuide
--
Pat
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