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Date:      Mon, 28 Apr 1997 17:19:43 +0200 (MET DST)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        narvi@haldjas.folklore.ee (Narvi)
Cc:        multimedia@freebsd.org
Subject:   Re: the sound/ directory
Message-ID:  <199704281519.RAA00441@labinfo.iet.unipi.it>
In-Reply-To: <Pine.BSF.3.95.970428171533.19814B-100000@haldjas.folklore.ee> from "Narvi" at Apr 28, 97 05:32:32 pm

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> 1) the sound/ directory in teh kernel sources looks like a mess with
> *several* files for different chipsets, many readme's, and other things
> all pushed into one subdirectory.

this I don't know. In the same way one would argue that we should have,
under /sys/i386/isa

	scsi/
	net/
	sio/
	misc/

all in all I'd keep all files in the same directory, at most trying to
cleanup/merge things, and leave the shuffling for a next step.

> 2) Is full-duplex supported on some cards (esp. the sb16/32)? If no, is
> anybody out there working/interested in it?

amy interested, nobody working actively. Amancio might start working on
this, using the 3.5 release of the (former) Voxware stuff. The current
code is based on the 3.0 release and, as I understand, full duplex is
only supported through a dirty hack on some cards.

If that helps, both crystal, analog devices and Opti have online
docs on the various codecs used for full duplex boards (WSS/MSS): the
CS423x, AD1848/1845, Opti931. As far as I know there is no
documentation available on the net from Creative and Yamaha for
the Soundblaster, and FM synthesizer, or the midi stuff.

Amancio, are you there :) ?

	Cheers
	Luigi
-----------------------------+--------------------------------------
Luigi Rizzo                  |  Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it    |  Universita' di Pisa
tel: +39-50-568533           |  via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522           |  http://www.iet.unipi.it/~luigi/
_____________________________|______________________________________



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