class:: AudioIn
summary:: Read audio input.
related:: Classes/In, Classes/SoundIn
categories::  UGens>InOut


Description::

Reads audio from the sound input hardware.

note::
This is provided for backwards compatibility with SC2 code. For normal use link::Classes/SoundIn::, which has bus numbers beginning at 0, as AudioIn may be deprecated and removed at some point in the future.
::

classmethods::

method::ar

argument::channel

Input channel number to read. Channel numbers begin at 1.

argument::mul

argument::add

Examples::
Patching input to output
code::
// patching input to output

// beware of the feedback

(
ServerOptions.inDevices.postln;	//  post available audio input devices
s.meter;	// display level meters for monitoring
SynthDef("help-AudioIn", {
	var input = AudioIn.ar(1); // first input
	// delay output to tame feedback in case of microphones are configured:
	Out.ar(0, CombN.ar(input * -25.dbamp, 0.5, 0.5, 0.001))
}).play
)
::