[mythtv-users] Video Quality on NUC

[John Pilkington]

On 17/01/2020 09:29, Paul Gardiner wrote:
> On 16/01/2020 23:02, Ken Mandelberg wrote:
>> I'm running a mythfrontend on an inexpensive NUC (NUC7CJYH) on Ubuntu 
>> 18.04 / Myth master build . I'm pleased that the CPU performance is 
>> fine, but surprised that I can't seem to adjust the video properly.
>>
>> No matter how I set brightness/contrast/color its just not quite 
>> right. If I adjust for bright scenes its bad on dark scenes and 
>> viceversa. Actually on transition  frames that should be very black, 
>> they tend to be dark grey. In general dark scenes are a bit muddy.
>>
>> I'm going over HDMI to a HD TV, which doesn't show this issue with 
>> other sources, including an old Mac running the same Ubuntu/myth 
>> software.
>>
>> Any idea what the issue is?
> 
> That sounds like the TV is configured to receive Full video levels 
> rather than Limited. If it's not a concept you're familiar with, this 
> KODI page explains it: https://kodi.wiki/view/Video_levels_and_color_space

... or you could just try enabling it in the

  Frontend > Setup > Appearance > Theme / Screen Settings page.