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Re: Troubleshooting soundcard distortion

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Haines Brown wrote:
> ... an Asus Xonar DS PCI Express 7.1. It played beautifully on my
> Debian Wheezy out of the box. So I removed the lines in
> /etc/modprobe.d/alsa/alsa-base.config that I tried to correct the old
> card's priority problem. Today sound is hopeless distorted.

I don't guess you can fix it by re-adding those lines?

> When I play a CD disk with mplayer, the sound stutters. More accurately
> the sound is amplitude modulated by a sinewave at about 8Hz/sec.

This sounds as if some other program might play with the mixer.
If you have alsamixer open, does anything happen with the sliders?

Also check the power connection.

> I'm uncertain about what driver is loaded. $ dmesg tells me nothing.

Only errors get logged; successful execution is silent.

>   snd_virtuoso           33765  2
>   snd_oxygen_lib         27905  1 snd_virtuoso
>
> If snd_virtuoso is my driver, then it seems to be loaded. I don't know
> that oxygen and ctxfi refer to, unless a failed attempt to install a
> Creative X-Fi Titaniam left it behind. Oxygen seems an M-Audio driver.

The chip named "CMI8788" on your sound card is called "OxygenHD", but
Asus decided to call its name "AV100".


Regards,
Clemens

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Thread

Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-13 13:49 -0500
  Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-16 21:40 +0100
    Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-16 17:19 -0500
      Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-17 07:10 -0500
      Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-17 19:56 +0100
        Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-17 17:13 -0500
          Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-20 22:21 +0100

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