From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Audigy2 in SNDRV_PCM_FMTBIT_S32_LE mode. Date: Wed, 19 May 2004 15:17:07 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <200405191119.i4JBJANj002233@www3.pobox.sk> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <200405191119.i4JBJANj002233@www3.pobox.sk> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Peter Zubaj Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Wed, 19 May 2004 13:19:10 +0200, Peter Zubaj wrote: > > Hi, > > >in the case of 16-bit stereo, CPF_STEREO_MASK is used to toggle this > >mode. so, there must be a similar register switch for 32-bit mode. > >otherwise it can't work... > > AFAIK there is not such register. > > If there will be some alsalib plugin which will accept stereo 24bit > stream and split this stream to four (or 3) 16 bit mono streams. this wouldn't be difficult at all. > These 4 (or 3) streams can be then feeded to 4 (or 3) FX buses > definied similiar as front, rear devices in .asoundrc or Audigy.conf. > > 24 bit left sample -> 16 bit stream 1 + 8bit stream 2 > 24 bit right sample -> 16 bit stream 3 + 8bit stream 4 > > or > > 24 bit left sample -> 16 bit stream 1 + 8bit stream 2 (low) > 24 bit right sample -> 16 bit stream 3 + 8bit stream 2 (high) the question is which FX bus corresponds to what? Takashi ------------------------------------------------------- This SF.Net email is sponsored by: SourceForge.net Broadband Sign-up now for SourceForge Broadband and get the fastest 6.0/768 connection for only $19.95/mo for the first 3 months! http://ads.osdn.com/?ad_id=2562&alloc_id=6184&op=click