From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964971AbVH0Ss2 (ORCPT ); Sat, 27 Aug 2005 14:48:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965010AbVH0Ss1 (ORCPT ); Sat, 27 Aug 2005 14:48:27 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:5273 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S964971AbVH0Ss1 (ORCPT ); Sat, 27 Aug 2005 14:48:27 -0400 Subject: Re: Surround via SPDIF with ALSA/emu10k1? From: Lee Revell To: Thomas Zehetbauer Cc: linux-kernel@vger.kernel.org In-Reply-To: <1125166739.22285.66.camel@hostmaster.org> References: <1124755373.5763.4.camel@hostmaster.org> <1125166739.22285.66.camel@hostmaster.org> Content-Type: text/plain Date: Sat, 27 Aug 2005 14:48:22 -0400 Message-Id: <1125168503.25011.70.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.3.8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2005-08-27 at 20:18 +0200, Thomas Zehetbauer wrote: > I have now been told that SPDIF cannot support more than 2 channels > except with AC3 compression. Given the fact that we can send 580MBit/s > over USB2.0 I would not have even remotely considered this to be the > problem and find it an incredible shame that audio industry is using > such a crippled standard. > > I have now solved my problem by buying and connecting an analog 5.1 > speaker set. Unfortunately I get audible distortions when I turn both > the "PCM" and "Wave" mixers to the maximum setting. I wonder if anyone > can provide more insight what these controls really do and whether it's > better to turn down "PCM", "Wave" or both. Off topic for LKML, this should only have been posted to the ALSA list. Lee