Get bytes for microphone sound

I was wondering if there is any way to get the sound bytes
froma microphone and apply it to lee brimelow's tutorial on sond
spectrum? thanks in advance!
(lee's tutorial:
http://www.gotoandlearn.com/player.php?id=62
)

A Microphone object exists in AS3 -> this is no
constructor, just static methods.
It can be imported via: import flash.media.Microphone;
Use the Microphone's method getMicrophone. It returns a
reference to a Microphone object for capturing audio. To begin
capturing the audio, you must attach the Microphone object to a
NetStream object (see NetStream.attachAudio()).

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