Self contained room/sound correction solution in Volumio

[gregwilding]

@BenoitMarhieu

So with a few euros and and iPhone, you get a very handy solution to the initial goal.

Thanks for the shout out

For those that are interested, I wrote an application note on this topic:

Volumio Room Correction

The application note uses PEQ filters, but as @balbuze points out, you can just as easily generate impulse responses for convolution.