[mythtv-users] Storage space and PVR-250

[Derek Tattersall]

Thanks for the assistance, you've been very patient with my questions.
That fixed it.

So I have another question. Which options control the format (and
presumably the size) of the file you get after transcoding?

Thanks

Derek Tattersall

On Wed, 2005-04-13 at 20:24 -0700, Joe Votour wrote:
> The .nuv file that the PVR-250 creates is an MPEG-2
> file.
> 
> I'm not sure what format the large file you're getting
> is in (because MythTV calls everything .nuv files for
> convenience).
> 
> You want to disable automatic transcoding.  This is in
> your recording profiles.  Go through all of them to
> make sure that you don't have "Automatically transcode
> after recording" checked off.
> 
> -- Joe
> 
> --- Derek Tattersall <tatters at newsguy.com> wrote:
> > I appreciate the help I've been getting here. I am a
> > complete newby to
> > the world of computer video.
> > 
> > I just noticed that when mythtv records the program
> > from my PVR-250 the
> > resulting nuv file is of a reasonable size (about
> > 1Gb per hour of
> > video). After the program is finished, mythtv
> > transcodes that file into
> > something that is hideously large, about 27Gb per
> > hour of video, still
> > called a nuv file. What formats are these files?
> > 
> > What option controls this, and how do I disable it?
> > 
> > I just went through the front and back end setup
> > menus and I didn't see
> > anything that looks likely. I am obviously missing
> > something, but what?
> > 
> > Thanks
> > 
> > Derek Tattersall
> > 
> > On Wed, 2005-04-13 at 18:33 -0500, William Powers
> > wrote:
> > > Try this:  Go into the default recording profile
> > for the PVR250 and set 
> > > your resolution to 352x480 and your encoder
> > bitrate to 2200 
> > > kbit/second.  That's about the absolute minimum
> > bitrate/resolution combo 
> > > I've found to be usable for standard TV.  YMMV. 
> > Record something and 
> > > try watching it over your 802.11b link.  If the
> > playback is jerky, then 
> > > you'll probably need to upgrade to 802.11g or
> > faster, regardless of 
> > > whether you like the picture quality or not.
> > > 
> > > If the playback is smooth, but you can't stand the
> > picture quality, try 
> > > increasing the bitrate without increasing the
> > resolution and see if you 
> > > can find a setting that works for you.  If you
> > must increase the 
> > > resolution (to, say, 480x480), then you will have
> > to substantially 
> > > increase the bitrate (eg., I use at least 4500
> > kbps/sec at 480x480 or 
> > > better).  The more you must increase the bitrate,
> > the less the chance 
> > > that 802.11b is going to work for you.
> > > 
> > > Good luck!
> > > 
> > > Bill
> > > 
> > > Derek Tattersall wrote:
> > > 
> > > >I just set up a mythtv box using a pvr-250 as the
> > capture card. I
> > > >scheduled a recording of a 1/2 hour tv show, and
> > it worked well. When I
> > > >played back the recording it looked great. So far
> > so good. However that
> > > >1/2 hour recording takes up 13gb on my disk. I
> > would like to find a more
> > > >efficient way to store recordings even if I have
> > to sacrifice some
> > > >quality.
> > > >
> > > >How do I set up mythtv to reencode the recordings
> > to a more space
> > > >efficient format?
> > > >
> > > _______________________________________________
> > > mythtv-users mailing list
> > > mythtv-users at mythtv.org
> > >
> >
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> > > 
> > 
> > > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> >
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> > 
> 
> 
> 		
> __________________________________ 
> Do you Yahoo!? 
> Yahoo! Mail - Helps protect you from nasty viruses. 
> http://promotions.yahoo.com/new_mail
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users