Re: Live recording
Jeremy Nicoll <email@example.com> writes:
> 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
>> know and understand how it works...
> They're just boxes which can have more than two mics (or line-level signals
> eg from instruments) plugged into them. Inside there's multiple analogue-
> to-digital converters. The digital data from all of these is then sent along
> 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 contains
> multiple separate channels, others may directly generate separate files on
> the computer.
> It's unimportant which you get because a file containing multiple channels
> can be split into separate files (with eg sox), or a set of files can be
> combined (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.
Your explanation is just what I was looking for... Very simple and clear.
it is shown how to operate with sox the way you said.
> 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
> with eg XLR sockets for mics.
Yes, as far as I understand this is probably the main problem: find something
that works with Linux...