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PostPosted: Fri Jul 15, 2005 2:57 pm 
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Joined: Thu Jun 23, 2005 1:20 am
Posts: 148
Hi *

Just quick question:

How can I change TV screen size, brightness & contrast on EPIA S-Video ?

Also is there possibility to change quality (bitrate) of liveTV screen on MythTV & PVR250 ?
(I see quite huge difference between liveTV screen quality between MythTV & OS/2 EmperoarTV. On OS/2 is almost DVD quality, but on MythTV it is more like VHS)


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PostPosted: Fri Jul 15, 2005 3:39 pm 
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Joined: Mon Oct 06, 2003 10:38 am
Posts: 4978
Location: Nashville, TN
look for the recording profiles. there's sections for livetv and recordings. and you can change the bitrates in there, however if you are seeing that big of difference it's usually a bad driver, and/or firmware combination, because the default bitrate is quite high as far as standard deffinition tv goes.

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PostPosted: Fri Jul 15, 2005 4:24 pm 
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Joined: Thu Jun 23, 2005 1:20 am
Posts: 148
hx for replay,

I'm using latest KnoppMyth, so I'm assuming EPIA CLE266 are latest greatest...
I already went to Recording Profiles/LiveTV, change bitrate to 6M/s.
No noticeable difference :-(

Should I reboot ?

BTW: I understand that LiveTV is using following path (huge approx):
Tuner->SAA7115->ConexantMPEG2encoder->PCI DMA->CLE266 HW MPEG2 dec->VIA1662->S-Video->TV ?.
(only this looks reasonable for making all sophisticated bells&whises which MythTV has :-)))

Any way - we are probably on good track ;-p


Xsecrets wrote:
... however if you are seeing that big of difference it's usually a bad driver, and/or firmware combination, because the default bitrate is quite high as far as standard deffinition tv goes.


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PostPosted: Sat Jul 16, 2005 3:48 pm 
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Joined: Thu Jun 23, 2005 1:20 am
Posts: 148
Well,
I spent some time with playing on all those settings. What strange -there is NO any change in liveTV quality.
Am I doing something wrong ?


Xsecrets wrote:
look for the recording profiles. there's sections for livetv and recordings. and you can change the bitrates in there, however if you are seeing that big of difference it's usually a bad driver, and/or firmware combination, because the default bitrate is quite high as far as standard deffinition tv goes.


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PostPosted: Sat Jul 16, 2005 4:51 pm 
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Joined: Mon Oct 06, 2003 10:38 am
Posts: 4978
Location: Nashville, TN
I don't think you are doing anything wrong it's just that some driver/firmware combinations work better or worse for different cards. Like I said the defaults should be enough to get you a crystal clear picture with standard deffinition. I imagine you will have to start playing around with different ivtv and firmware versions.

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Have a question search the forum and have a look at the KnoppMythWiki.

Xsecrets


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