On Wednesday 19 October 2005 12:37 pm, Ian Caulfield wrote: > On Wed, 19 Oct 2005, Dag Nygren wrote: > >> Are these subtitles on DVB, or teletext/closed captioning on analogue? > > > > Sorry, this is DVB "real" subtitles. > > No way to change the font - they're transmitted as bitmaps. If you can put > a sample file with this problem on the web somewhere, I can have a look > at the artefacts you're seeing.
I fixed some green artifacts in the dvb subtitles a while back, but there may be other sources. Basically, it was using non-black colors in places that should be transparent. When this was right next to a non-transparent pixel, what should have been transparent could bleed over into the non-transparent pixel due to the quarter-res color plane. Isaac
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