From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: plughw vs default / per-application volume changer Date: Thu, 09 Aug 2012 15:00:02 +0200 Message-ID: <5023B452.9010907@ladisch.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by alsa0.perex.cz (Postfix) with ESMTP id 443012652BF for ; Thu, 9 Aug 2012 14:30:18 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: antony k Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org antony k wrote: > a) if and why should I prefer the "plughw:0,0" over the "default" device > name. > I am developing a simple audio player which is based on the latter. > I made this choice because when I was using plughw:0,0 with other audio > programs(flash player,vlc) open in the background I would get the "Device > is busy" error code. > With default, it's fine. You have answered your question. The default device name should be "default". > b) can I have an application specific volume changer? Very few sound devices support this in hardware. Adjust the sound data in your program, or better use PulseAudio. Regards, Clemens