[mythtv-users][OT] - How grab VHS tapes?

Jeff Simpson llcooljeff at gmail.com
Wed Dec 7 09:05:49 EST 2005

On 12/7/05, Alessandro Boggiano <boggiano at libero.it> wrote:
> Hi all,
> usually if I want watch a VHS,I can use the antenna cable between the
> vcr and the tv (I know,the quality is bad),put channel 36 on my tv and
> it works!
> I'd like to do the same thing with my mythtv system in order to recorder
> the vhs tape: so I unplegged the antenna from the tv and plugged the vcr
> as above.

Should work. I've done this with my VCR, setting myth to channel 3 in my
Not sure what VCR picks channel 36 - does the VCR have a switch on the back
select which channel to use? (I think mine has a 3/4 switch).

Now the problem is that I can't find a valid channel/frequency with my
> PVR-150: I use ivtv-0.4.0 and the program ptune-ui.pl (I hacked the
> source to have a fine tune to 50) to set the channel.
> But I can'f find a valid frequency!

I think you can use ivtvctl to manually pick an actual frequency, but I'm
surprised that ptune
didn't work without being hacked. Do you normally use the cable input on the
PVR, or the
composite/svideo? If you don't normally use the tuner, is it possible that
you have it set to the
wrong country frequency sets? (I am guessing that you aren't in the US based
on the channel-36-VCR,
since I've never heard of such a thing over here - VHF here only goes 2-13,
and if you are cable-ready,
chances are you don't need to use RF modulation on the antenna input)

For a couple of secs I had a valid picture from the tape,but it disappared!

Keep in mind that that myth has a large delay, so if you are trying things
on the VCR, they take a long
time to show up on the screen (same with tuning channels on the PVR - when
you change the channel,
it has to propogate through the card AND through the ring-buffer.

 - Jeff
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