From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rene Herman Subject: Re: What does 0dB refer to? (Logitech USB Speakers) Date: Tue, 15 Apr 2008 19:02:56 +0200 Message-ID: <4804DFC0.5030900@keyaccess.nl> References: <20080411204610.GA32413@tango.0pointer.de> <4803DF09.3000000@keyaccess.nl> <20080414235742.GB19108@tango.0pointer.de> <200804150609.00533.faber@faberman.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtpq2.groni1.gr.home.nl (smtpq2.groni1.gr.home.nl [213.51.130.201]) by alsa0.perex.cz (Postfix) with ESMTP id 76E7724737 for ; Tue, 15 Apr 2008 19:00:02 +0200 (CEST) In-Reply-To: <200804150609.00533.faber@faberman.de> 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: Florian Faber Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On 15-04-08 06:09, Florian Faber wrote: > The reference level is well defined (depending on the consumer/pro audio > context) and so is dBFS, dBu(RMS) and dBV(RMS). I don't see any problem > with that except that some people don't seem to know about this or don't > care. Especially crappy sound card manufacturers. > > Oh boy, and we didn't even start bringing in head room into the debate.. But if it's something you can explain in a few sentences -- could you? Rene.