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Re: Live recording

Jeremy Nicoll <jn.ml.dbn.25@letterboxes.org> writes:

> On Wed, 2 Aug 2017, at 06:09, David Christensen wrote:
>> On 08/01/17 14:04, Rodolfo Medina wrote:
>> > As much as I can understand, the simplest solution for me to live
>> > recording with several microphones is to buy a - say - 6 channel mixer and
>> > plug it into the line-in PC entry...
>> That can work.  
> If you do that you'll be recording at most 2 channels,

Mmmhhh...  this is not clear to me.  Why only two...?  Suppose the mixer has 3
channels, can't I plug three mics into it..?   Say two for the piano and the
third for the voice...?



> which means you have
> to decide how to mix the more than 2 mics' signals into a stereo image at the
> venue.  That can be difficult to do, if you can't hear the incoming sounds
> (eg in headphones) clearly, because of background noise, and the decision you
> make then is what you're stuck with later on.
> If you can possibly afford a multi-channel audio interface, do that instead.
> Then the mics etc are connected to that external box, which if needed powers
> the mics, amplifies their signals, digitises the analogue signals, then sends
> the digital info via USB (usually) to the computer.  You can then fiddle with
> the balance and everything else later on using software, and experiment with
> different settings.
>> Make sure you understand phantom power and how you plan 
>> to connect everything before making a purchase:
>> https://en.wikipedia.org/wiki/Phantom_power
>> (If you feed phantom power to a device that is not designed to use it or 
>> withstand it, you can get degraded performance and/or destroy equipment.)
> Yes; you can also destroy a mic by plugging it into a socket on a mixer while
> the phantom power is on; you need to make sure that phantom is only turned on
> after all the cables are connected.  And turn phantom off again before
> unplugging any powered mics.

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