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Light static noise, 5.1 audio

tinpanalley

tinpanalley

Golden Member
I don't have any way to know if this is media, receiver, or speakers so since I'm hearing it through speakers, I'll post it here. Apologies in advance if I'm in the wrong place...

It only happens on 5.1 mixes. I get a faint crackle. It doesn't sound at all like something that's popping or that's doing any damage since it's so faint. But here's the interesting bit... when I switch my Yamaha receiver to 5-channel Enhanced Audio, it goes away. But then I'm just blending everything to each speaker rather than channels going to their appropriate speakers. Not ideal.

Other things I've observed...
- this never happens on discs, only files
- I don't hear the crackle on the subwoofer (maybe that's self explanatory since it can't do anything but low frequency but maybe it rules out static?)
- these are always files of televised programs that play fine on my computer, but on a basic 2.0 setup

Any ideas here?
 
Sounds like wiring issue; maybe in some cases, where you are not getting the static, no signal is being send to certain speakers so you are not hearing the disturbance? the noise, does it come from all speakers? did you walk upto each one individually and check?
 
Never happens on discs but files like televised programs have the sound? Then I would look into the player audio settings when playing files. Perhaps it's applying some sort of enhancement or manipulating the audio causing some sort of clipping.

Your Yamaha's 5-channel Enhanched Audio DSP could be doing some sort of soft clipping to mitigate it, but I assume your connection to the Yamaha is digital... (HDMI or optical/coax). If so I also wouldn't rule out a bad cable. More audio means more bits and a bad cable or connection can cause it.
 
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Hey guys, thanks. I recently noticed it also happens on 5.1 from some HD networks. So, HD networks and some files, never DVD or Bluray discs. Weird. I guess as long as it's not hurting my speakers I don't care but it really makes for annoying listening. The downloads I can deal with but I think it's a little unfair that I have to miss out on 5.1 on the TV network though because it's a sports channel that I watch quite a lot.
 
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