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Re: (full-duplex) Re: KDE media players



On Wed, 16 Apr 2003 20:49:22 +0200
Wolfgang Rohdewald <wolfgang@rohdewald.de> wrote:

> This defines simplex, half duplex, full duplex:
> http://physinfo.ulb.ac.be/cit_courseware/datacomm/dc_014.htm
>
> This defines full duplex for sound cards (the same way) :
> http://www.techtv.com/callforhelp/answerstips/story/0,24330,2236390,00.html

I was looking at the same links actually ;)

> Does anybody have a link which defines full duplex as
> "combining two channels in the same direction"? (whatever -
> multiplexing, adding, modulating...)

I guess I mixed up some things with all those replies. As it is said on
the 2nd link, "full duplex means that the sound card can make sound and
receive sound at the same time".

It's the same thing defintion as for a network ethernet card in fact. I
was sure that playing two sources simultaneously was a thing you could
do only with a full duplex card, because that's what I was told during
my classes. As I haven't got a non-full duplex card, I couldn't werify
that.

But all the replies make me believe I was wrong on this point. I got
confused about mixing and full duplex terms, but again, I don't know if
a simple card can play two sources at a time. If someone could verify
that, that would clear my mind :)

Sorry for the bothering and/or the mess,
-- 
Lucas Moulin <lucas@brebis.org>
"Why go against tradition when we can admit defeat, live in decline, be
the victim of our own design" -- NOFX

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