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Re: Live recording

On Mon, 7 Aug 2017, at 23:41, Rodolfo Medina wrote:

> Fascinating...!  But now I got very interested in the multi channel audio
> interface you suggest...  Before looking for one to buy, I'd like to
> better
> know and understand how it works...  

They're just boxes which can have more than two mics (or line-level
eg from instruments) plugged into them.  Inside there's multiple
to-digital converters.  The digital data from all of these is then sent
the USB connection to the computer.  Some interfaces might send all the 
channels so they arrive in a single file on the computer, which then
multiple separate channels, others may directly generate separate files
the computer.

It's unimportant which you get because a file containing multiple
can be split into separate files (with eg sox), or a set of files can be
(with eg sox).

I can't advise you on what to buy...  because I suspect you're going to
spend a
great deal less than I did when I last bought one...   That was a Tascam


which you'll see can handle 16 separate inputs at once...  There's a
more recent 
version of that these days...   A box like that is aimed at people used
to using 
professional audio equipment.  

There will be lower-spec interfaces around too, but you obviously need
to find 
one that's known to work with linux.  You also probably don't want one
eg XLR sockets for mics.

Jeremy Nicoll - my opinions are my own.