Date: Sat, 23 Apr 2011 07:20:26 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-multimedia@freebsd.org Subject: Re: uaudio, M-Audio FastTrack Pro device - sound distorted Message-ID: <201104230720.26203.hselasky@c2i.net> In-Reply-To: <BANLkTimAZtcpe2Ba5P0qsHKiH2-G691GCQ@mail.gmail.com> References: <BANLkTimAZtcpe2Ba5P0qsHKiH2-G691GCQ@mail.gmail.com>
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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 > dev.pcm.0.play.vchanmode (tried the 3 values without any difference) and > the dev.pcm.0.play.vchanrate (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. Hi, What does the distortion look like in audiacity? --HPS
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