I decided to install Linux as I feed up with getting notification from windows that tell me to get my software licence.It is not the one reason why I move to Linux but it is another topic. Anyway,I installed Kali Linux 2016.1 and I have some issues with sounds which is so noisy,squeaky sound.Later ,I decided to upgrade to 2016.02.But thats not solve the problem,still same problem with voice.How can I fix this problem.

My Linux distro :Kali Linux 2016.2 32 bit,i386arch.

My hardware: Acer Laptop

Sound driver :I guess it is pulseaudio.

The output of the lsmod|grep snd is like this.

snd_hda_codec_hdmi 40960 1 snd_hda_codec_realtek 65536 1 snd_hda_codec_generic 65536 1 snd_hda_codec_realtek snd_hda_intel 28672 3 snd_hda_codec 94208 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek snd_hda_core 57344 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek snd_hwdep 16384 1 snd_hda_codec snd_pcm
86016 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi snd_timer 28672 1 snd_pcm snd 57344 14 snd_hda_intel,snd_hwdep,snd_hda_codec,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek,snd_pcm soundcore 16384 1 snd

and the command of lspci -v | grep -A7 -i "audio" is:

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Acer Incorporated [ALI] 82801I (ICH9 Family) HD Audio Controller Flags: bus master, fast devsel, latency 0, IRQ 29 Memory at 96700000 (64-bit, non-prefetchable) [size=16K] Capabilities: Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) (prog-if 00 [Normal decode])

  • User who downvoted ,pls give me your reason why downvote.Question is clear and understanable. – user55778 Feb 9 '17 at 10:02
  • 1
    identify your sound card with lsmod | grep snd and lspci -v | grep -A7 -i "audio", you can edit your answer here – GAD3R Feb 9 '17 at 10:12
  • Did you try to adjust some sound levels? Like PCM? If it is set too high it can result in poor sound quality. – Kalavan Feb 9 '17 at 10:14
  • Run the following modprobe snd-hda-intel then speaker-test – GAD3R Feb 9 '17 at 10:17
  • @GAD3R ı APPLYED MODPROBE command but no speaker-test command available even in my repository – user55778 Feb 9 '17 at 10:24

Usually there are two main sound volumes (at least in alsamixer). One should be called 'main' or 'master' second one 'pcm'. You should use first one to set volume. Second one shouldn't be set to high as this is amplification and can produce sound peaks that your hardware won't handle. Also some programs tries to use pcm as volume setting - this should be reconfigured.

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