[mythtv-users] hdtv file size?

Blammo blammo.doh at gmail.com
Mon Jan 30 16:49:41 UTC 2006


On 1/30/06, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
> On 1/30/06, Jesse Guardiani <jesse at wingnet.net> wrote:
> > Hello,
> >
> > I've been thinking about HDTV a bit more lately. Considering pricing an
> HDTV
> > LCD screen, weighing my options for a linear upgrade path over the next
> year
> > or so - things like that. I'm curious... how large are HDTV recordings?
> >
> > For example, my PVR350 encodes to Mpeg-2 at 1.1Gb/half hour and
> 2.2Gb/hour.
> > I know HDTV is still mpeg-2, but the resolution is much higher, and it
> > has AC-3 audio, right?
> >
> > What is a similar file size from a PCHD3000 or similar?
> >
> > Also, does MythTV support transcoding HDTV to Mpeg-4, but keeping the same
> > resolution and AC-3 audio? What file size would that produce?
> >
> > Thanks!
> >
> >
>
> ~7-8gig/hr with commercials for 1080i
> ~5gig/hr with commercials for 720p
>
> of course, specific bitrates will vary depending on source and network.


that's consistant with what I've seen as well, using a couple of
Air2PC's. However, I have seen (1) hour be as high as 12gigs (sports
event) and as small as 3gigs.


More information about the mythtv-users mailing list