[mythtv-users] How to properly adjust brightness and contrast

Allen Edwards allen.edwards at oldpaloalto.com
Mon Aug 11 04:10:07 UTC 2008


Nick Bright wrote:
> Johnny Russ wrote:
>> I would also love to see some guidance on a proper way to adjust these 
>> settings. I have the same issue with my PVR-150. I get things looking 
>> acceptable by taking the contrast down a few notches and bumping up 
>> the brightness until it looks OK.
>>
>> I have seen little widgets that guide you through the adjustments on a 
>> computer monitor, or even calibration images with set of instructions 
>> for adjusting the brightness, contrast, etc. Is there anything like 
>> this that could be used in mythtv? I know that you have to be 
>> recording to make the adjustments so a widget or calibration image is 
>> probably too much to ask for. But there must be some order/logic to 
>> which settings to change and how.
> That's what I'm hoping to find. Basically, how does one go about 
> adjusting things? I've done the ones for monitors but that only has 
> brightness and contrast - it does not include color and hue.
> 
> A simple write up of what order to adjust, sane starting points, and 
> what to look for is all I'm trying to find.
> 
>  - Nick
>> ------------------------------------------------------------------------
>>
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> 
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> 
You can buy a DVD that includes filters that you look through at the 
test patterns that allow you to balance the different colors.  You need 
one of the digital ones for a digital screen but if you have a TV  with 
just tint and color controls, the first one of these will be fine.  I 
have 3 of the 4.
http://reviews.cnet.com/4520-6463_7-5085739-3.html?tag=txt

Allen




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