[mythtv-users] Random Audio Noise BLAST from Poor Local CW Network Recordings

[Mike Perkins]

On 03/01/13 08:24, boehm100 at comcast.net wrote:
> Hi,
>
>
> I'm looking for suggestions for how to filter, correct, or protect my
> equipment and my ears against the damaged audio stream in recordings from my
> local CW affiliate. I just upgraded from .24 to .26 and installed a new
> GT430. One of these changes compounded a problem with recordings from my
> local CW affiliate. Recordings from this QAM HDHR Comcast Cable Channel have
> the occasional pops or noise blip. I'm thinking the audio stream gets a
> localized corruption or looses a clock signal. This happened with with .24
> and my old GT240 but they were shorter and less scary. Now it feels like they
> are going to blow out the house. I thought they destroyed my speakers last
> night. These are short blasts with correct audio before and correct audio
> after.
>
>
> Anybody else have this problem? How did you fix it? I'm using
> alsa:hdmi:CARD=NVidia;Dev=1 for my audio device to my Onkyo AV Receiver .
>
One way might be to run a lossless transcode immediately after the recording 
finishes. Choose your program and parameters right and it should be possible to 
grind down those unwanted spikes.

-- 

Mike Perkins