Microphone
activityLevel
, gain
, index
, muted
, name
, names
, rate
, silenceLevel
, silenceTimeOut
, useEchoSuppression
static names:Array
activityLevel:Number
gain:Number
index:Number
muted:Boolean
name:String
rate:Number
silenceLevel:Number
silenceTimeOut:Number
useEchoSuppression:Boolean