Subject: Re: [linux-audio-user] recording multiple input audio streams
From: Paul Perkins (speaker-to-vegetables_AT_pobox.com)
Date: Fri Jun 20 2003 - 20:28:00 EEST
Ardour and JACK are powerful (but still rapidly evolving) answers to a
different question than the one asked here. I think that ecasound + ALSA + 1
or more Delta 1010LT cards would be a plausible basis for addressing this
application, but I don't actually have any of those cards and I'm still
waiting for the day when someone explains ALSA configuration files in a way
that I can understand....
The funny thing about this list is, no matter what question you ask, the
question that gets answered is usually "how do I build a Linux-based musical
recording studio?"
On Thursday 19 June 2003 06:06 pm, Jan Depner wrote:
> The answer is Ardour. First beta is coming out shortly but I've been
> using it from CVS for about 5-6 months. Check out
> http://sourceforge.net/projects/ardour also
> http://myweb.cableone.net/eviltwin69/ALSA_JACK_ARDOUR.html also
> http://ccrma-www.stanford.edu/planetccrma/software/. You can use
> qjackconnect to route anything JACK to anything else JACK. Delta 1010,
> ST Audio DSP 2000 C-Port, Terratec EWS88MT, or, on the high end, the
> Hammerfall cards (digital).
>
>
> Jan
>
> On Thu, 2003-06-19 at 17:12, Hirendra Hindocha wrote:
> > Hi,
> >
> > I'm looking for solution where we can record multiple input
> > streams of audio to individual files which can then be processed
> > by other programs on Linux. I've searched the ecasound list and
> > also the archive of this list.
> >
> > The best I could find was a similar requirement by someone
> > using a Delta 1010 card. One of the solutions that was proferred
> > was to use the JACK audio server.
> >
> > Is it possible to connect multiple input streams of audio (think
> > multiple phones or line-in from multiple VCRs or any audio
> > device) and individually record the streams as a digital file ?
> > For example - 911 calls , or financial transaction calls etc
> > I'm looking for a Linux based solution that can do that -
> > Ideal would be -
> >
> > a. Well Supported card that has multiple line-in ( so if I want
> > to record 8/16 audio inputs, it should have 8/16 line-in sockets)
> > b. Software to record the line-in audio
> > c. Software to encode it
> >
> > if b & c can be combined to record and encode like ecasound, it
> > would be perfect.
> >
> > I asked around on the ecasound list and was directed to this
> > list. We're not looking to do any mixing or sound editing.
> > Our requirements are very simple. Ecasound works very well
> > for us when using one sound card. We now need to scale this
> > solution so that we can record the equivalent of 8/12/16 sound
> > cards each having an instance of ecasound recording and encoding.
> >
> > A similar solution on the Windows platform seems to be
> > http://www.dictaphone.com/products/freedom/freedomps/
> >
> >
> > Any help is highly appreciated,
> > --
> > Hiren
> > ----------------------------------------------------------------------
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