# Io Reference

Audio / PortAudio / AudioMixer

|  | A minimal audio mixer.

appendSource(aSource)

Adds aSource to sources list. Returns self.
isRunning

Returns true if the mixer is running, false otherwise..
process(sampleCount)

Internal method used for processing a chunk of the input sources. Returns self.
processedSamples

Returns the number of processed samples.
removeSource(aSource)

Removes aSource to sources list. Returns self.
start

Start the mixer loop processing 1/64th of a second chunks by calling process(22050) in a loop. Will not return until stop is called. Returns self.
stop

Stops the mixer if it is running.
streamDestination

The output stream object.