[mythtv-users] My DVB recordings are huge (70min = 35GB)

David Whyte david.whyte at gmail.com
Thu Dec 16 05:18:23 UTC 2004

They are not high definition DVB cards are they?  I imagine you would
know that though.  My SD Avermedias give about 1.5Gig for 30


On Thu, 16 Dec 2004 12:59:30 +0800, htpc <htpc at treblid.dyndns.org> wrote:
> My mythbox is acting funny :(...
> I am in Australia, my system is Mandrake 10.1 (Community Edition), two
> TwinHan VP DVB-T cards, Sound Blaster audigy and my channels are tuned
> to Standard Definition TV (SDTV). MythTV is built from CVS.
> When I did a recording in Myth, I noticed that the file is extremely
> huge - 70 mins of content took up around 35GB, that's like 500MB a second!
> Using dvbstream, 1s of footage only takes 1mb.... where did the other
> 499Mb come from?
> When I try to transcode (via mythtranscode), the nuv.tmp file will grow
> larger than the 35GB recording(My HDD only has around 73+GB free), fills
> up the entire volume, and deadlocks (printing "cannot write to buffer"
> or a similiar msg to the console)...
> I didn't touch the recording profiles at all as the docs says "For DVB
> and HDTV cards, no further configuration is required after setting up
> the card using the 'setup' program."...
> Anyways to reduce the size of my recordings?? Thanx.
> Regards.
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