From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcel Subject: Re: CMI8738-MC6 surround40 plugin on 4 SP systems] Date: Fri, 31 Oct 2003 12:39:18 -0500 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <20031031173918.GA29835@dailyplanet.net> References: <20031030174239.GB2771@dailyplanet.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Takashi Iwai Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org * Takashi Iwai (tiwai@suse.de) wrote: > At Thu, 30 Oct 2003 12:42:39 -0500, > Marcel wrote: > > > > > > I've been trying to finetune my cmipci for several weeks now. And this is > > the best way I've been able to get transparent operation with various audio > > material: stereo, mono, 4.0, 5.1. The main problem being no surround sound > > iif "Exchange DAC" setting was not set, and sound on the rear speakers only > > if it was. > > ah, this might be true. > does it happen both on 4.0 and 5.1 outputs? > i don't remember that it's necessary for 5.1 at the last time i > tested. With surround40 plugin, 4 speakers, yes it's needed for both 4.0 and 5.1 material. Applications such as mplayer or xine will remix 5.1 material to 4 channels. For 6 speakers systems, I really don't know. > perhaps we should simply remove this control from user and handle > internally for the MC6 chip. > I agree. Its usage is confusing and may results in improper operation ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/