[mythtv-users] Sound Issues on Live TV

[Brad DerManouelian]

On Nov 19, 2006, at 3:51 PM, Taylan Pince wrote:

>
> On 19-Nov-06, at 3:56 PM, Brad DerManouelian wrote:
>
>> On Nov 19, 2006, at 12:51 PM, Taylan Pince wrote:
>>
>>> Pausing, or rewinding doesn't work at all. It only comes back if I
>>> leave the playback, go back to the menu, and start playing again. I
>>> noticed that it doesn't only happen with Live TV anymore, it's the
>>> same with recorded shows.
>>>
>>> The important thing to note is, the sound is fine on all recordings.
>>> Even if I lose the sound while playing back, the information is
>>> there, so if I leave and come back, it plays back normally.
>>>
>>> The sound card is the generic one that's on my motherboard, I  
>>> believe
>>> it's Intel. I don't think the issue is related to that, as I have
>>> been using it for months without issues.
>>>
>>> Thanks again for your help.
>>>
>>> Taylan
>>
>> Is there anything indicating a problem in your logs? It sounds like
>> it's losing control over your device for some reason or another and
>> it needs to close/reopen the device to get it back. Also, are you
>> using ALSA or OSS?
>
> After some digging, I found this message:
>
> NVP : : AddAudioData():p1: Audio buffer overflow, audio data lost!
>
> I am using ALSA, as it is the default in the Fedora Core kernel that
> I have.
>
> Could this be a performance issue? I ran this machine with 256MB of
> RAM for months, and it didn't have any problems. Now it has 768MB,
> and a whole lot more hard drive space (recently added another 400GB
> to LVM). So I am not sure why there would be an overflow problem.
>
> Thanks again.
>
> Taylan

There's an option to increase your audio buffer for playback. You  
might need to enable that. I'm sorry I don't remember off the top of  
my head where that option is, but I seem to remember it being in TV  
Playback. Extra Audio Buffering I think it's called.