From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin Guthrie Subject: Re: wrong decibel data? Date: Tue, 15 Jun 2010 17:10:05 +0100 Message-ID: References: <20100613135349.GB5818@tango.0pointer.de> <20100614184922.GE14916@tango.0pointer.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by alsa0.perex.cz (Postfix) with ESMTP id 4DA4F24562 for ; Tue, 15 Jun 2010 18:10:08 +0200 (CEST) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OOYiC-0004DS-2n for alsa-devel@alsa-project.org; Tue, 15 Jun 2010 18:10:04 +0200 Received: from brent.tribalogic.net ([78.86.109.144]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 15 Jun 2010 18:10:04 +0200 Received: from gmane by brent.tribalogic.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 15 Jun 2010 18:10:04 +0200 In-Reply-To: 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 'Twas brillig, and Raymond Yau at 15/06/10 00:43 did gyre and gimble: > +12dB(400%) is even larger than the software gain 150% of PA Software gain of PA 150% = ~+11dB, so not as different as you imply. I've explained the cubic mapping already, so please don't use arbitrary, differently calculated percentages when comparing things. It's like comparing apples to oranges. Col -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mandriva Linux Contributor [http://www.mandriva.com/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]