[mpeg2] Re: Color quality ,when using Kfir1

["Deepak S Kotian" <dkotian1@rediffmail.com>]

Hi,

Thanks for the suggestion.

Thanks and Regards
Deepak


On Mon, 30 Sep 2002 Warren Young wrote :
>Deepak S Kotian wrote:
>>
>>   I have observed the Color quality is a bit less
>>   rich compared to the orignal source.
>
>Do you mean that the saturation is low?
>
>>   Can make out easily, when the orignal source and
>>   kfir decoded output source is seen in seperate
>>   TVs side by side.
>>
>>   Is there any parameters than can be set to improve
>>   the quality of the Kfir1 driver.
>
>I'm not aware of any color calibration controls on the KFir 
>board. However, the first step would be to calibrate your 
>"original source" and whatever MPEG playback unit you're using to 
>each other.  Until you do that, you don't know which of the three 
>devices in your setup to blame, really.
>
>I recommend that you get either the AVia test DVD (about US$38) 
>and calibrate your TV first.  Then if you're using a PC MPEG 
>decoder board, rip the test patterns off the disc and use them to 
>calibrate your board.  Ideally now, your decoder board and DVD 
>player should have identical displays given the same test stream.  
>(Probably too much to ask, but try to get close.)  Now you have a 
>known source and a known playback device to test the KFir board 
>against.
>
>$38 may seem a lot for a DVD, but I've found it very worthwhile.  
>Having a calibrated TV is a good thing in general, not just for 
>testing.  This disc will also help you set up a surround-sound 
>speaker set.
>
>Once you've got everything calibrated as well as you can, you 
>should still expect some differences in color rendition.  It's 
>just the nature of the beast.
>-- = Video articles: http://tangentsoft.net/video/
>
>
>