[mythtv-users] USA OTA - interlaced?

[Rob Davis]

On 2012-05-09 13:48, Matt Garman wrote:
> Is there a way to tell if a given recording is interlaced or not?
> FWIW, I'm in Chicago, IL, USA.  We record the national networks,
> primarily FOX ("WFLD 32").
>
> I ask for the following reason: a while ago, I started experimenting
> with using Intel (Sandy Bridge) graphics, so I could lose my
> power-hungry Nvidia card.  During initial testing, I disabled
> de-interlacing in my playback profile.  And to this day, I still 
> don't
> have any interlacing enabled, because everything plays back
> beautifully.
>
> So either I am recording progressive content, or my TV (Panasonic
> TC-P65V10) is doing the deinterlacing for me.

With broadcast Networks generally it's:

Fox=720p
ABC=720p
CBS=1080i
NBC=1080i
CW=1080i

Not sure about the rest, in our market they're all 480i and 
unwatchable.