rsc3/doc-schelp/HelpSource/Classes/SoundIn.schelp

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class:: SoundIn
summary:: Read audio from hardware inputs
categories:: UGens>InOut
related:: Classes/In, Classes/ServerOptions
description::
SoundIn is a convenience UGen to read audio from the input of your computer or soundcard. It is a wrapper link::Classes/UGen:: based on link::Classes/In::, which offsets the index such that 0 will always correspond to the first input regardless of the number of inputs present.
note::
On Intel based Macs, reading the built-in microphone or input may require creating an aggregate device in AudioMIDI Setup.
code::"open -a 'Audio MIDI Setup'".unixCmd; // execute this to launch it::
::
classmethods::
method:: ar
argument:: bus
the channel (or array of channels) to read in. These start at 0, which will correspond to the first audio input.
argument:: mul
argument:: add
examples::
code::
// world's most expensive patchcord (use headphones to avoid feedback)
{ SoundIn.ar(0) }.play;
// stereo version
{ SoundIn.ar([0, 1]) }.play;
// scope input; silent output
{ Amplitude.kr(SoundIn.ar(0)); }.scope;
::