From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Faber Subject: Re: What does 0dB refer to? (Logitech USB Speakers) Date: Sat, 12 Apr 2008 20:25:57 +0200 Message-ID: <200804122025.57165.faber@faberman.de> References: <20080411204610.GA32413@tango.0pointer.de> <20080412133536.GC32491@tango.0pointer.de> <4800FC14.3060804@superbug.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from india820.server4you.de (static-ip-85-25-152-101.inaddr.intergenia.de [85.25.152.101]) by alsa0.perex.cz (Postfix) with ESMTP id 34066243DC for ; Sat, 12 Apr 2008 20:26:11 +0200 (CEST) In-Reply-To: <4800FC14.3060804@superbug.co.uk> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Saturday 12 April 2008 20:14:44 James Courtier-Dutton wrote: > That sounds reasonable for now. Professional sound card users will > maybe just have to remember to mute the master control before > connecting their speakers. This is very, very dangerous - not only can it harm the equipment, it can also harm the user. 0dBFS equals >121dB at a distance 2m away from my head, and I have a *small* setup. To be honest, I think I would then insert a switch in the RME driver that will enable the outputs only after the RME mixer application has been started. Flo -- Machines can do the work, so people have time to think. public key 6C002249 x-hkp://wwwkeys.eu.pgp.net