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  1. #1

    strong noise in the sound


    Starting with Linux I tried liveCD's (Ubuntu, OpenSuse, Fedora, Mint) and installed Mint Petra Cinnamon. (Motherboard Gigabyte M68MT-D3P, integrated graphic and sound NVIDIA GeForce 7025, Realtek ALC889). After some troubles with graphic it is now OK except the strong noise in the sound (in all cases). Increasing the volume increases the noise, too. Installing another realtek audio driver and playing with Alsamixer or PulseAudio didn't improve it. In Win XP the sound is perfect. Is there´s a chance?

  2. #2
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    If you are using pulseaudio there is a bug in the alsa driver for some of the intel chipsets. The fix is to turn off glitch free mode. Find the line starting "load-module module-udev-detect" in the file "/etc/pulse/default.pa" and change use_ucm=0 to tsched=0 or add tsched=0 to the end.
    Code:
    load-module module-udev-detect tsched=0
    then run:
    Code:
    pulseaudio --kill && pulseaudio --start
    to stop and start it.

  3. #3
    For a newbie - could it be more detailed? I tried these commands, they were not accepted. Or can this change be done with the interface of PulseAudio?

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  5. #4
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    You need to be root or use sudo. Open a terminal and
    Code:
    cd /etc/pulse
    . You should use what ever your favorite text editor is. From the terminal type:
    Code:
    sudo vim default.pa
    replacing vim with the editor of your choice. Search for the line that starts "load-module module-udev-detect" and edit it to be
    Code:
    load-module module-udev-detect tsched=0
    then execute the command:
    Code:
    sudo pulseaudio --kill && pulseaudio --start
    . The command "sudo" allows you to execute the command with the privileges of the superuser.

  6. #5
    I went succesfully to the last command but then i got:
    E: [pulseaudio] core-util.c: Home directory not accessible: denied
    E: [pulseaudio] main.c: Deamon not killed: Success

  7. #6
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    Code:
    sudo pulseaudio --kill && sudo pulseaudio --start

  8. #7
    Thanks for your time, but still no result. It looks as if my motherboard and Linux don't like each other. It's really a shame, I like this Mint more and more.

  9. #8
    Quote Originally Posted by tiedzig View Post
    Thanks for your time, but still no result. It looks as if my motherboard and Linux don't like each other. It's really a shame, I like this Mint more and more.
    Since nothing helped while the Windows sound is good, I have one more question: could this be solved with Wine?

  10. #9
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    Have you installed drivers from realtek? I don't think wine will help.

  11. #10
    Penguin of trust elija's Avatar
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    I used to get a very annoying buzzing if the volume was over 100% in the sound settings of whatever distro I was running. I don't mean the icon in the system tray although it may have a link into the settings on it's menu.
    "I used to be with it, then they changed what it was.
    Now what was it isn't it, and what is it is weird and scary to me.
    It'll happen to you too."

    Grandpa Simpson



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