Re: Audigy2 in SNDRV_PCM_FMTBIT_S32_LE mode.

[Takashi Iwai <tiwai@suse.de>]

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


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