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Date:      Tue, 27 Jan 1998 18:32:33 +0100 (MET)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        dutchman@tccn.cs.kun.nl (Kees Jan Koster)
Cc:        freebsd-multimedia@FreeBSD.ORG
Subject:   Re: Audio recording anyone?
Message-ID:  <199801271732.SAA02127@labinfo.iet.unipi.it>
In-Reply-To: <34CE2C98.41C67EA6@tccn.cs.kun.nl> from "Kees Jan Koster" at Jan 27, 98 06:50:45 pm

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> I want to record sound with my PC. I was curious if other FreeBSD users
> are doing the same thing under FreeBSD.

some are.

> If you are, what software are you using?

cat :) or assorted programs in /usr/ports/audio, or "pcmio" or similar
ones which set the speed&resolution&channels.

> A more difficult question: can I do multitracking? Do I need special
> soundcards for this, or can I plug two (three? four?) soundblaster cards
> into my machine.

I have heard there are multitrack cards but have no idea on freebsd
support for them. Depending on the driver and the card you can install
multiple audio cards on the same machine, but beware:
- some cheap PnP cards have the same PnP id, so there can only be one
  of each kind on the same machine;
- you might run out of DMA and interrupts very soon;
- there might be drifts in the clock speeds of different cards
  so you might end up with recordings of different length
  for which you'd need to compensate the drift.

	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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