[mythtv-users] PVR-500 Audio glitching

Norm Dugas normdugas at yahoo.ca
Fri Nov 7 17:24:38 UTC 2008

Jerome Yuzyk wrote:
> On Thursday 06 November 2008 20:16, Norm Dugas wrote:
>> I'm not really sure how to describe the issue I'm seeing (hearing) other
>> than to call it audio glitching.  I thought I'd ask here to see if
>> anyone else has experienced this with a PVR-500.  The best way I could
>> describe it is that while audio is playing, you sometimes hear some
>> strange squealing.  It's like the audio speeds up for a moment but not
>> really.  At first, I thought it was the audio on my FE but when I heard
>> the same sound at the same spots on a 2nd FE, I was sure it was the
>> source.  Next, I listened to the raw recording (pulled it out using
>> Nuvexport) and it was there too.  I've gone through the mythbackend logs
>> and any other log I can think of but I don't see any errors.  What's
>> interesting is that it's not consistent.  Maybe it's tied to one of the
>> tuners?  How can I tell which tuner recorded a program?
> I get (maybe) something like that from mine. Intermittent chirping, reminds me 
> of audio clipping. I've had it while watching football, or on PBS. I've even 
> heard the same sound, though, on a friend's SD TV on the same channel using 
> the same cable service. My FE/BE is a cheapo box, 2 years old running 24/7. 
> Might just be cheap components drifting off spec as they age. I've just filed 
> it under "I dunno."
There are times when the chirping is just so bad that I can't watch any 
more of the show and I end up deleting it and hope it will play again.

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