[mythtv-users] Bit rate oddity?

[Albert Santoni]

With the MJPEG codec, I've noticed that the size of shows are not
consistent, even if the length of the show is exactly the same. Is this a
feature of the MJPEG codec?


----- Original Message -----
From: "Michael Williams" <lists at arcanamm.com>
To: "Discussion about mythtv" <mythtv-users at snowman.net>
Sent: Thursday, June 12, 2003 9:23 PM
Subject: Re: [mythtv-users] Bit rate oddity?


> I am experiencing this same thing, and it varys.  I have a 1 hour show
> recorded that was near 9 gigs, and another that was only 2 gigs. Have
> yet to figure it out.
>
>
> On Thu, 2003-06-12 at 19:49, John P DeVale wrote:
> > Having used Myth for a couple months now, I have observed that the
> > filesize of recorded video seems larger than it should.  I have it set
> > to record at the default values using MPEG 4 -- 2200 Kbps and Audio MP3
> > Q7 (whatever bitrate that works out to be), resolution 480x480.
> > However, the resultant files are between 3-4 GB for an hour of TV.  Now
> > according to my calculations, at 2200 Kbps the video portion of the file
> > should be slightly less than 1 GB, and the audio should be comparatively
> > small.  So I have to wonder, why the heck the files are so big?
> >
> > Has anyone else observed this, and if so what is the reason?
> >
> > Thanks,
> >
> > John
> >
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>
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