[mythtv] [mythtv-commits] Ticket #8674: Use older version of FreeMono.ttf

Jim Stichnoth stichnot at gmail.com
Tue Jul 20 21:20:29 UTC 2010

On Tue, Jul 20, 2010 at 8:03 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> I guess I just haven't seen the lowercase
> "st"combination (or figured it was an error in captions).

Probably not interesting to most people, but...  Apart from silly
captioner mistakes, most NTSC closed caption errors are seen as a
dropped pair of adjacent characters.  A cc packet has two characters,
and when the packet gets corrupted, both characters are dropped.  This
is why it was clear to me that "st"->"t" wasn't a dropped packet
problem.  Plus the fact that it started showing up only after the
mythui-osd merge.  I would love to understand why there are so many
2-character packet corruptions in the VBI information in digital OTA
recordings that I receive with virtually perfect signal strength and
quality, and the same being true with DISH/HDPVR recordings where the
captions are drawn by the STB.


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