Subject: Re: [ecasound] multiple input sound recording
From: Yassen Roussev (slona_AT_uklinux.net)
Date: Sat Jun 07 2003 - 22:42:06 EEST
* Hirendra Hindocha <hiren_hindocha_AT_attbi.com> [030607 08:57]:
> Is it possible for example to create a Linux based recording
> system that records from different audio inputs simultaneously ?
yes, but you'd generally have to sync the cards together and that is
only possible reliably by using wordclock. I think the Delta 1010 you
mentioned has got that. Also the RME HDSP - Multiface and Digiface.
These will require an extrenal word clock signal generator in general.
Consumer cards don't usually provide for working in sync, although
I recall that there is way of doing exactly that - using more than
one card to record, by using alsa and doing some crafty eding of your
.asoundrc. Don't remember the details though. Either have a look at
the alsa site or if nobody has better details here, you can post to
the linux-audio-users list too.
If the system you are thinking of setting up doesn't require devices to
be in sync with each other you can try what Lee has suggested.
All the best,
Yassen
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