[mythtv-users] 480i Anamorphic Channels

Jay Foster jayf0ster at roadrunner.com
Tue Mar 3 22:12:04 UTC 2020


This question is not specifically related to MythTV, but I figure 
someone on this list would know the answer.

A local ATSC station added a new sub channel.  This channel is broadcast 
in an anamorphic 480i sub channel.  The content is 16:9 aspect ratio, 
but is displayed on my TV and my MythTV squished horizontally with black 
bars on the side.  Sure, I can change the aspect ratio to 16:9 during 
playback and it displays correctly, but there are other such 480i 
anamorphic channels with 16:9 aspect ratio content that I do not need to 
do this.

Is there some kind of broadcast flag that the broadcaster is omitting 
that should indicate this to the playback device (TV, MythTV, etc.)?  
Before I bring it up with the broadcaster, I would at least like to 
think I know what I am talking about.

Jay


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