[mythtv-users] PVR-500 Audio glitching

Norm Dugas normdugas at yahoo.ca
Fri Nov 7 17:27:35 UTC 2008

Francesco wrote:
> I had similar problem with PVR500.
> Try to lower recording volume in hardware decoder (Settings > TV > Recording).
> With 90% (default value) I heard some glitches but on 80% glitches disappear...
> Francesco
> Norm Dugas ha scritto:
>> 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?
>> Backend:
>> Asus P5LD2 Deluxe
>> Intel Pentium D (don't remember which but each core is at 2.8 G)
>> 2 Gig memory
>> Hauppauge PVR-500
>> 2x Samsung 1T SATA drives
>> 4x Seagate 420G ATA drives
>> Running Mythbuntu 8.04
>> Thanks,
>> Norm
I'll try this to see if this works for me.  Thanks.  Maybe it's tied to 
the hardware but I never had this issue when I was a PVR-350.  I've been 
using the PVR-500 for over a year and this just started in September.

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