[mythtv-users] Why is fast motion blurry

Ray Whiteman ray.whiteman at consultant.com
Tue Nov 4 13:27:54 UTC 2008


Apologies, incorrect cut and paste, should have been;
http://www.mythtv.org/wiki/index.php/Playback_profiles#CPU.2B.2B_default_settings

Which means 2xBob will be the default attempted.

OCG Technical Support wrote:
> It looks like you are pointing to the CPU-- settings which require a PVR
> 350.  I too have one of these, but I use the DVI output of the graphics
> card.
>
> Is this mode still applicable - or does it require use of the SVIDEO output
> on the PVR350 to use this?
>
> Thanks
>
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Ray Whiteman
> Sent: October 31, 2008 8:52 AM
> To: Myth TV Users List
> Subject: Re: [mythtv-users] Why is fast motion blurry
> Importance: High
>
> I have become somewhat obssesive  about blurry fastmotion (sports) de
> interlacing performance. I have come to the conclusion that bob is the
> best for what I watch, but it really is not perfect, just very close. I use;
> http://mythtv.org/wiki/index.php/Playback_profiles#CPU--_default_settings
>
> OCG Technical Support wrote:
>   
>> Now that you mention it, it is only noticeable on satellite shows (but not
>> called "HD")...
>>
>> I'll play with them!
>>
>> Thanks
>>
>> -----Original Message-----
>> From: mythtv-users-bounces at mythtv.org
>> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Rod Smith
>> Sent: October 29, 2008 1:20 PM
>> To: Myth TV Users List
>> Subject: Re: [mythtv-users] Why is fast motion blurry
>> Importance: High
>>
>> On Tuesday 28 October 2008 11:12:56 pm OCG Technical Support wrote:
>>
>>     
>>> I thought it might be interlacing relate, so I checked my settings
>>> (0.21-fixes).  It looks like I have deinterlacing turned on:
>>>
>>> Current video playback profile: High Quality
>>> Highres deint: Linear Blend, Linear Blend (fallblack)
>>> Lowres deint: Yadif 2x, and Yadif (fallback)
>>>
>>> I have an Nvidia 8500 - so it should have the power to deinterlace.
>>> Any ideas what to change / tweak?
>>>
>>>       
>> Try playing with your deinterlacing settings. I personally find that
>>     
> kernel
>   
>> deinterlacing works best for me for SD programming displayed on my NTSC
>>     
> TV,
>   
>> but you may prefer something else, either because of personal preferences
>>     
> or
>   
>> because of differences between our setups. I'm using something else for HD
>> interlaced programming, but I don't recall what it is offhand. (Yes, I
>>     
> watch
>   
>> HD recordings on my NTSC TV. Sooner or later I'll get an HD TV, but not
>> yet.)
>> Progressive HD recordings don't need deinterlacing.
>>
>> --
>> Rod Smith
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>>
>>     
>
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