From owner-freebsd-multimedia@FreeBSD.ORG Wed Apr 27 01:19:46 2011 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6EDB6106564A for ; Wed, 27 Apr 2011 01:19:46 +0000 (UTC) (envelope-from marcelbonnet@gmail.com) Received: from mail-pz0-f54.google.com (mail-pz0-f54.google.com [209.85.210.54]) by mx1.freebsd.org (Postfix) with ESMTP id 401638FC0C for ; Wed, 27 Apr 2011 01:19:46 +0000 (UTC) Received: by pzk27 with SMTP id 27so943084pzk.13 for ; Tue, 26 Apr 2011 18:19:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=2y4VHBrzOBOVbytYFOJhM4c5McWoNcY6UmtyeIhC4Vo=; b=obztZL7EfWhP3B/AXicd5FFZel79wkuAHXelPFgiArOAkkB6mw25h/h7HqCXJL8sPV H5Ypy9JPbsCm6ZKLmSp98+oPUGrqglm59ARSsoLghS47lUPFeGfs8PGpHpX6Iie4PvjK 7oLvoAqbOLp5RI9OiQoWY4GOYNmZxSjXR/XkQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=TspxaLQyoiPs4P6zVC0RlcVl97UIp5GRJaUzp1F23xXftPJ4IPRyS2P6gTsqI0CuQJ JHxTuFlbvLsHQzSwA6e3nhyLG4TjcmpvvmoQo++cHYAG+l1fUUrR871kR3biC4gxvVqD N+fXCcGgUZKXdnRE3Dee0krZ4iN/HtWy4jEkQ= MIME-Version: 1.0 Received: by 10.68.25.164 with SMTP id d4mr1521070pbg.473.1303867184014; Tue, 26 Apr 2011 18:19:44 -0700 (PDT) Received: by 10.68.58.231 with HTTP; Tue, 26 Apr 2011 18:19:43 -0700 (PDT) In-Reply-To: <4DB67DED.1030906@ladisch.de> References: <4DB67DED.1030906@ladisch.de> Date: Tue, 26 Apr 2011 22:19:43 -0300 Message-ID: From: Marcel Bonnet To: Clemens Ladisch Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-multimedia@freebsd.org Subject: Re: uaudio, M-Audio FastTrack Pro device - sound distorted X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Apr 2011 01:19:46 -0000 On 26 April 2011 05:10, Clemens Ladisch wrote: > Marcel Bonnet wrote: > > I'm using the M-AUDIO FastTrack Pro USB audio interface, but every time= I > > play or record, the sound get distorted. > > > uaudio0: Play: 44100 Hz, 2 ch, 16-bit S-LE PCM format > > uaudio0: Record: 48000 Hz, 2 ch, 16-bit S-LE PCM format > > This device uses one internal sample rate; using different rates for the > playback and capture interfaces won't work. > > AFAIK there are some undocumented constraints on which configurations > and alternate settings can be used; and in some alternate settings, the > device uses big-endian samples. This cannot be handled with the generic > parts of the uaudio driver; it requires device-specific workarounds. > > There is an outdated patch that tries to make this device work on Linux > on this page: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3D32= 49 > > Thanks, I'll keep that URL for studing soon. I was using Linux kernel 2.6.26 (debian lenny - 5.x) until last month and the playback worked fine. > > Regards, > Clemens > --=20 Marcel Bonnet *"No princ=EDpio era o caos... e no meio tamb=E9m."* www.monovox.net.br twitter.com/mono_vox FreeBSD inside