[mythtv-users] How to extract subtitles/captions from DVB-T using ProjectX?
mythtv at sky.com
Sun Jan 11 00:13:46 UTC 2009
> On Sat, Jan 10, 2009 at 9:40 PM, Alex Butcher <mythlist at assursys.co.uk
> <mailto:mythlist at assursys.co.uk>> wrote:
> On Sat, 10 Jan 2009, UB40D wrote:
> > As we know, mythtranscode destroys the DVB-T subtitles/captions
> (which by
> > the way are in the stream as character data, not bitmaps).
> Are you quite sure about that? I was under the impression that
> they're in
> the stream as a series of bitmaps, like DVDs.
> In ProjectX, the drop-down Presettings > Presettings > Subtitle >
> Schriftart even lets you choose which font you want to render them in,
> for SUP output, so it's obvious that those bitmaps are being generated
> on the fly.
All the subtitles on the DVB-T channels on freeview that I have seen
use bitmap subtitles. There are text based subtitle formats in use that
are embed in the VBI like the teletext subtitles in Europe and I think
the CC stuff in the states but there are no DVB-T channels in the UK
that still use them TTBOMK.
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