[mythtv-users] PAL AND NTSC Supported Tuner

James Fowler rootless at gmail.com
Wed Oct 18 07:00:15 UTC 2006

Ok. This is great information. I'm certain I will be back with more
questions. I need to get the hardware first. On the whole, ivtv seems to
enjoy better/more functionality within Myth - is that correct? Or should I
entertain a V4L supported tuner. Really, the Theater 550 based tuners seem
nice, in the end, it has to work.

 So which is better, an ivtv supported tuner or a V4L supported tuner?

Not looking for a flame fest. If the manufactures could/would release
information/linux drivers this would be a non-issue.



On 10/17/06, Daniel Kristjansson <danielk at cuymedia.net> wrote:
> On Mon, 2006-10-16 at 08:31 -0600, Brian Wood wrote:
> > You say your TV will only handle NTSC, so tuning a PAL signal and
> > recording it would not be of any help to you.
> >
> > You need to standards convert the PAL signal in order to watch it on
> > an NTSC set, a very different matter from simply recording it, and it
> > has nothing to do with the tuner card.
> MythTV will do the conversion for you, you just need to configure your
> video card to only output NTSC. Then MythTV will do the scaling from
> PAL resolutions to NTSC and will convert the framerate on the fly.
> You should configure MythTV to use a deinterlacer though, kernel
> deint is probably your best bet for watching PAL or SECAM recordings
> on an NTSC TV. Don't use bob-deint, the result will look bad.
> I don't know if MythTV can convert from NTSC to PAL without hickups,
> but PAL to NTSC is not a problem.
> AFAIK most tuners will work with any of the common analog standards,
> but someone on the ivtv or v4l lists can probably help with this
> better than anyone on the MythTV mailing lists. The same model,
> say "PVR-250", usually has many generations which use many
> different tuners. Some tuners are better than others.
> -- Daniel
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