[mythtv-users] new PC build that's MythTV compatible

Jim Abernathy jfabernathy at gmail.com
Tue Nov 3 18:19:12 UTC 2020

On 11/3/20 9:33 AM, Jay Harbeston wrote:
>> On Nov 3, 2020, at 9:22 AM, Mike Hodson <mystica at gmail.com 
>> <mailto:mystica at gmail.com>> wrote:
>> On Tue, Nov 3, 2020 at 5:15 AM Jim Abernathy <jfabernathy at gmail.com 
>> <mailto:jfabernathy at gmail.com>> wrote:
>>     I think a lot of this panning problem is due to broadcast
>>     choices.  I notice the bits per second on my major networks is
>>     about 3-4 GB per hour, but the sub networks show reruns of the
>>     same shows at 0.8 GB per hour. They also use 480p but the panning
>>     jitter is really bad.
>>     Jim A
>> If indeed the subchannels are 480p, then I don't think there's 
>> anything your videocard/processing settings can really do to help; I 
>> don't think there's any sort of algorithm to fix a progressive stream 
>> as technically they shouldn't need to be fixed. That said, sometimes 
>> one can convince ffmpeg to do strange things manually, and if really 
>> necessary avisynth can pull lines out and restitch them together into 
>> fields with delay if necessary or whatever is out of sync, but those 
>> are just pedantic possibilities if you wanted to moonlight as a video 
>> restoration technician or something. ;)
> All of the sub channels in our area (Wilmington NC) are 480i and not 
> 480p.. so they are also interlaced.
> The only ATSC broadcast I receive not interlaced is 720p. Everything 
> else is interlaced.
> Regards.

My area is Raleigh, NC and ABC and Fox are 720p. CBS and NBC are 1080i. 
What I see on those channels with mythtv on android is the same as I see 
through my TV's own tuner.  So no complains at one time Leanfront was 
better, but I now have mythfrontend profile setup correctly and 
everything is good.  It all depends in whether or not I'm just watching 
for entertainment or playing video engineer.

Jim A

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