From alsa-devel-owner@alsa.jcu.cz  Tue Jan 19 10:34:25 1999
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From: "Guenter Geiger" <guenter.geiger@psp-vie.be.philips.com>
To: <alsa-devel@alsa.jcu.cz>
Subject: RE: hi-res pcm sound support
Date: Tue, 19 Jan 1999 10:33:48 -0800
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Id suggest using 32-bit integers -- little endian and big endian version of
course
for the API.

Any conversion to some soundcard internal 24 bit format should be done in the
driver.
(this means eventually shifting 8 bits down or swapping bytes)

Guenter

> -----Original Message-----
> From: alsa-devel-owner@alsa.jcu.cz
> [mailto:alsa-devel-owner@alsa.jcu.cz]On Behalf Of Jaroslav Kysela
> Sent: Tuesday, January 19, 1999 12:56 AM
> To: Elliot Lee
> Cc: alsa-devel@alsa.jcu.cz
> Subject: Re: hi-res pcm sound support
>
>
> On Wed, 13 Jan 1999, Elliot Lee wrote:
>
> > Does the ALSA architecture have room for higher resolution
> (e.g. 24-bit
> > 96Khz) PCM sound recording and playback? The asound.h that
> I looked at
> > only said anything about 8 and 16-bit sound.
> >
> > It would be really nice if someone with a professional
> audio background
> > would ensure that ALSA has everything needed for pro sound
> production.
>
> It is possible enhance API for more than 16-bit resolution,
> but as I asked
> before (without any answer yet): How are 16+-bit samples encoded to
> stream? How bytesex is used (one or both)?
>
> If someone don't send me reply on my questions (or some
> pointer to pages
> where is described this issue), I cannot add appropriate extensions to
> header files.
>
> 							Jaroslav
>
> -----
> Jaroslav Kysela <perex@jcu.cz>
> Academic Computer Centre, University of South Bohemia
> Branisovska 31, C. Budejovice, CZ-370 05 Czech Republic
>
> ------
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