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From: Sadsack <Sads@ck.com>
Newsgroups: alt.binaries.multimedia.comedy.british
Subject: Re: Pat a ? for you about compression..
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In reply to "Sadsack" who wrote the following:
> 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
>
>
> --------------------------------------------------------
>
> That's great Pat....
>
> although I must admit "film tune" is a new one on me....
>
> R U running Xeon's.... lol I've lost too much hair having to redo the same
> movie more than three
> times... and eventually giving up.
>
> I have got a few tv progs recorded onto an LG HD recorder that has a built in
> dvd writer, I need
> to pull them off onto R/W media and get to work on them.
> Hate having to work on pvr stuff... playback from the LG and you get 16:9, As
> it was originally
> shown, rip it and you get 4:3... CloneDVD does a fair job of ripping them of
> the R/W media but
> insists on repairing the vobs... Gotta be an easier way.
>
>
> --
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I've not tried this with PVR stuff but won't Handbrake do it for you in folder
mode?
RIB.
-----------------------------
Possibly RIB, It's something I've got to investigate...
I've just found a good site with a lot of info explained.. http://www.rokoding.com it has a
tendency to go down a lot cos of bandwidth being stretched.. must be a lot or people needing info
. lol
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