[mythtv-users] PVR500 poor picture quality

John Drescher drescherjm at gmail.com
Wed Dec 2 15:07:40 UTC 2009

On Wed, Dec 2, 2009 at 10:07 AM, Calvin Harrigan
<charriglists at bellsouth.net> wrote:
> Bloke DownThePub wrote:
>> I've set it to tha appropriate standard for Belgium - PAL-B/B1/G but the
>> quality's quite poor.
>> Here are a few short samples.
>> http://www.youtube.com/watch?v=GBuLCKgn8f8
>> http://www.youtube.com/watch?v=DgvcxxiR96E
>> http://www.youtube.com/watch?v=B7Kq3WpMogM
>> The upload process seems accurate, the clips look pretty much the same as
>> when I look at them in mplayer or download them to a pc and use media player
>> classic.
>> I've noticed the image degrades if I split the output between the PVR and
>> a TV, but before I run out and buy a signal booster, could it be something
>> else?  Of course I'm a lucky guy, it could be both...
> <scissors of brevity>
> Seems like you have a poor/week signal coming from the RF input.  The fact
> that splitting it makes it worse almost proves it beyond a doubt, a booster
> might help.  Where is the signal coming form?  An antenna, cable?  The
> booster should be placed as close to the origination point of the signal as
> possible.
Also are you running at full PAL resolution? For me NTSC looked like
crap at 480x480 but works well at 720x480 at the same 2GB / hour


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