Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759830AbZCPOut (ORCPT ); Mon, 16 Mar 2009 10:50:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752799AbZCPOuj (ORCPT ); Mon, 16 Mar 2009 10:50:39 -0400 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:52914 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751915AbZCPOui (ORCPT ); Mon, 16 Mar 2009 10:50:38 -0400 Date: Mon, 16 Mar 2009 15:50:36 +0100 From: Andreas Mohr To: Takashi Iwai Cc: Andreas Mohr , Maxim Levitsky , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Kernel Testers List Subject: Re: [alsa-devel] Bugs on aspire one A150 Message-ID: <20090316145036.GA26358@rhlx01.hs-esslingen.de> References: <491DBDEA.9010104@gmail.com> <492856C2.8000707@gmail.com> <20090315092117.GA1567@rhlx01.hs-esslingen.de> <20090316120312.GA19299@rhlx01.hs-esslingen.de> <20090316133001.GA8437@rhlx01.hs-esslingen.de> <20090316143158.GA12725@rhlx01.hs-esslingen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Priority: none User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1440 Lines: 52 Hi, On Mon, Mar 16, 2009 at 03:42:54PM +0100, Takashi Iwai wrote: > At Mon, 16 Mar 2009 15:31:58 +0100, > Andreas Mohr wrote: > > > > Hi, > > > > On Mon, Mar 16, 2009 at 03:18:20PM +0100, Takashi Iwai wrote: > > > So, the following is also problematic > > > > > > % arecord -fdat -c1 -Dplughw ng.wav > > > > > > while the below works? > > > > > > % arecord -fdat -Dhw good.wav > > > > Indeed, the above has problems with problematic slider positions whereas > > the below never has. > > Err, could you be more specific about "slider positions"? Hmm, I thought I was... (elsewhere) In the problematic case (using plughw), whenever left channel / right channel sliders are equal, no sound gets recorded. IOW, there has to be a huge difference (in either direction) between left and right channel slider to hear anything. And that is Not A Good Feature to have ;) > > > Does the conversion by sox from good.wav to a mono-channel file work? > > > > I assume I should be using > > sox good.wav -c1 good1.wav > > ? > > > > If so, yes, this works, audio is there. > > Just to be sure - what about below? > sox good.wav -c1 good1.wav mixer 0.5,0.5 Yep, still works. Thanks, Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/