[mythtv-users] Recordings spontaneously slow down

[David Kyle]

I'm not using DVB.  It's just an analog capture card, with no hardware 
encoding.  Our problems may be caused by the same thing, but I doubt 
it.  In my case, it never corrects itseft during recording.  But, if 
another show starts immediately after, even on the same channel, it 
records correctly from the start.  I almost never watch live tv, so I'm 
not sure if the problem is present there.  This sounds quite a bit 
different to me, but I suppose it could have the same root cause as your 
problem.  Your's sounds like some kind of hardware problem, since its 
manifestation seems rather random.  Mine seems to be software, since the 
problem is always exactly the same, once it occurs.  But that's just a 
bit of intuition...

Philip Nelson wrote:

>>I've been having a problem for a while (but only since switching to
>>.17), where occasionally, partway through recording something, it will
>>suddenly slow down -- the  video slows to about 70% normal speed, and
>>the audio drops in pitch accordingly.  It doesn't happen all the time,
>>and I cannot reproduce it, nor do I have any idea as to what causes it.
>>I know that the problem is during recording, because if I export the
>>.nuv to another format, the problem remains.  Has anybody else had this
>>problem?
>>    
>>
>
>I am having either the same problem as you or something similar (also
>happened since 0.17) - part way through a recording, quite randomly, sound
>drops out totally and video slows right down. Eventually (perhaps 5-10
>minutes) it speeds up again, but audio doesn't come back - it's very
>frustrating.
>
>Are you using dvb? For me, when this happens, the mpeg stream goes bad for
>a second or two (as if I've got a low signal, but I don't think I do),
>audio then cuts out and video goes slow. It seems to happen quite
>randomly, and has happened when I've been watching live tv - I changed
>channels, changed back and it was fine again.
>
>Philip
>
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