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EPIA S-video TV screen size/brightness - how ?
http://forum.linhes.org/viewtopic.php?f=6&t=5362
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Author:  Warped [ Fri Jul 15, 2005 2:57 pm ]
Post subject:  EPIA S-video TV screen size/brightness - how ?

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)

Author:  Xsecrets [ Fri Jul 15, 2005 3:39 pm ]
Post subject: 

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.

Author:  Warped [ Fri Jul 15, 2005 4:24 pm ]
Post subject: 

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.

Author:  Warped [ Sat Jul 16, 2005 3:48 pm ]
Post subject: 

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.

Author:  Xsecrets [ Sat Jul 16, 2005 4:51 pm ]
Post subject: 

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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