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Help troubleshooting "Whistling Sound"

post #1 of 9
Thread Starter 
Hey folks playing around with linux and having an issue with drivers I suppose. Has anyone had a similar issue like this before? Using Gigabyte Z97MX Gaming 5 onboard soundcard.
post #2 of 9
It'd be helpful if you revealed a little more info. Is this a constant whistle? on top of normal sounds? intermittent? etc. Whistling is most commonly a hardware problem as it is generally feedback or parasitic oscillation. What have you done to narrow the field?
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post #3 of 9
Thread Starter 
Constant. I can't hear it when playing music or watching any videos. Haven't had any time to try anything to narrow the field just installed Arch and noticed it and haven't had time to troubleshoot as of yet.
post #4 of 9
Quote:
Originally Posted by Avaro View Post

Constant. I can't hear it when playing music or watching any videos. Haven't had any time to try anything to narrow the field just installed Arch and noticed it and haven't had time to troubleshoot as of yet.

Sorry but that's not clear to me and sounds like a contradiction. Constant means all the time LOL and "can't hear it while music is playing" is intermittent. This could be caused by something as simple as a badly grounded system or cable.and very high gain settings either Preamp level or Master. Could you please five me the TLDR version and explain completely what you expereince.,
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post #5 of 9
Thread Starter 
Wouldn't I experience this in windows if it was a bad ground or any other issue like that though? Anyways yes that would make it intermittent. It may happen while listening to music and I just can't hear it though its very quite to began with and doesn't get louder with any change in the volume unless I mute in pulse mixer. I thought it might have been feedback from mic. but that wasn't it either. Best way I can explain it is like in windows and you hit listen to device with a mic and you hear noise. I'm terrible at explaining things.. I'm sorry. It isn't a big deal anyways just annoying.

Edit: It is constant btw opened spotify and turned down music just above mute and could hear it.
Edited by Avaro - 2/14/16 at 3:31pm
post #6 of 9
Thread Starter 
Seems to be my onboard amplifier specs say its TI Burr Brown® OPA2134 operational amplifier.
post #7 of 9
Thanks for responding and the clarified description. First let me say try to answer your question regarding your experience in Windows. The Windows sound system has a few advantages since there is just the one system within the OpSys. So it is well-integrated, simple and effective within it's limitations. The Linux sound system consists of apps, servers and daemons that are, or have been, developed separately by different developers. On the downside it is not simple or elegant. On the upside there is vastly deeper control possible that has and can have no Windows counterpart.

Specifically, PulseAudio is an attempt to increase control and uniformity of the underlying sound system, almost always ALSA and they don't always play nicely together. Personally I choose to disable PulseAudio and keep my system simpler and also because I do semi-pro quality recording and editing and need Jack (a competing sound server to Pulse) to run DAW based apps.

You can try disabling PulseAudio or checking Alsa settings (run "alsamixer" in a terminal) to see if some setting is conflicting with Pulse. You will ultimately see that Windows would whistle too if it had as many mixing controls competing.

I suggest you look up your sound chip at the above Alsa site for deeper reference and understanding to help you make the best choices and fix the annoying problem. Incidentally you can get a readout of the card name and driver being used and also verify that you do indeed have Alsa running under Pulse by running in a terminal
Code:
aplay -l
the character used after the dash is a lower case "L" to be clear. If you like, post the output back here and we may find that helpful.
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post #8 of 9
Thread Starter 
Here is the terminal output
Code:
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI_1 [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI_1 [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: HDMI_1 [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC1150 Analog [ALC1150 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 1: ALC1150 Digital [ALC1150 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 11: HDMI 5 [HDMI 5]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
post #9 of 9
This may not be the final answer but I think you should begin by blacklisting one of the devices and unless you are using an HDMI cable connected to your video card to your speakers, that would be the ATi device. The Linux sound system does have some problems with HDMI devices on video cards adding a device that should only be activated on-demand but instead creating conflicts and often, crosstalk which can definitely result in oscillation like whistling.
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NewMain
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