uaudio, M-Audio FastTrack Pro device - sound distorted

Hans Petter Selasky hselasky at
Sat Apr 23 05:21:29 UTC 2011

On Saturday 23 April 2011 04:15:01 Marcel Bonnet wrote:
> Hi, folks.
> I'm using the M-AUDIO FastTrack Pro USB audio interface, but every time I
> play or record, the sound get distorted.
> If I record a clean guitar, it sounds like using a light distortion/driver.
> Any mp3 or wav I play is distorted too, especialy the higher notes.
> This device has it's own mixer. I'm sure the sound is not clipping because
> the interface has its own knobs (volume/gain for in/out) and a led for
> clipping indication.
> I tried to change the volume using the mixer command - nothing changed.
> I thought the problem could be the frequency rate: tried the sysctl
> (tried the 3 values without any difference) and
> the (but the system always mantain the same freq
> = 44100). No sucess too.
> I just don't know what to do. Don't even know if I'm in the right
> direction. Maybe it could be a driver's problem?
> I apreciate any help. Below there are some information.


What does the distortion look like in audiacity?


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