Some sound files in Ubuntu gives cracked sound, but the same files run on Windows without any problem! Why it is happening? Moreover, when I record screen captures and record sound using a microphone, I hear crusty sound in reply. But same speaker works smoothly in Windows.... How do I solve this?

I am using Ubuntu 14.04 LTS.

Edit: Sound card info...

   description: Audio device
   product: 7 Series/C210 Series Chipset Family High Definition Audio Controller
   vendor: Intel Corporation
   physical id: 1b
   bus info: pci@0000:00:1b.0
   version: 04
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list
   configuration: driver=snd_hda_intel latency=0
   resources: irq:45 memory:92600000-92603fff
  • possible duplicate of Skype and VLC sounds sizzle/distorted/bad
    – user68186
    May 27, 2015 at 14:11
  • What sound devices are you using?
    – s3lph
    May 27, 2015 at 14:29
  • @the_Seppi How to check sound card details in Ubuntu? May 27, 2015 at 16:05
  • sudo lshw -C sound from a terminal, add the output as an edit to your question.
    – s3lph
    May 27, 2015 at 18:02
  • @the_Seppi please see the output pasted in original question... May 27, 2015 at 20:30

1 Answer 1


Open sudo nano /etc/modprobe.d/alsa-base.conf and add options snd-hda-intel model=MODEL to it, changing MODEL to the model name such as acer.

kernel.org - HD Audio Models


It would also be helpful to know what computer you are using.

  • Hi. I am using Hp 450. So sould I write hp on model field? Jun 3, 2015 at 11:20
  • I would try hp-laptop laptop hp laptop-imic laptop-hp and see if any of those fixes your sound.
    – su do
    Jun 3, 2015 at 17:51

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