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#1 2015-12-31 14:43:26

PulseWave
Member
Registered: 2015-12-31
Posts: 2

Background static from source with ALSA

I am getting background static noise with ALSA for ALC1150 on board sound although sound plays fine. I have tried muting channnels but the background static only dissappears when I mute the source (changing volumes has no effect). I do not have this issue in Windows after installing its driver, so I know it's software related.

soundcards:

0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7210000 irq 32
1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xf7080000 irq 17

00:1b.0 Audio device: Intel Corporation 9 Series Chipset Family HD Audio Controller
01:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio Controller (rev a1)

modules:

snd_hda_codec_hdmi     49152   1
snd_hda_codec_realtek  73728   1
snd_hda_codec_generic  69632   1   snd_hda_codec_realtek
snd_hda_intel          32768   6
snd_hda_codec          106496  4   snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_soc_rt5640         106496  0
snd_hda_core           49152   5   snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep              16384   1   snd_hda_codec
snd_soc_rl6231         16384   1   snd_soc_rt5640
snd_soc_core           159744  1   snd_soc_rt5640
snd_compress           20480   1   snd_soc_core
snd_pcm_dmaengine      16384   1   snd_soc_core
snd_pcm                86016   7   snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_pcm_dmaengine,snd_hda_core
snd_timer              28672   1   snd_pcm
snd                    65536   22  snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_compress
snd_soc_sst_acpi       16384   0

Last edited by PulseWave (2015-12-31 14:59:18)

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#2 2016-01-08 17:12:47

omerfirmak
Member
Registered: 2015-09-27
Posts: 3

Re: Background static from source with ALSA

I think I have the exact same problem.

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