The method 12, further comprising determining an amount of noise that may be added to {HEAD ~ a channel signal} without exceeding {TAIL ~ a limit} and adjusting the gain of at least one of the channel signals based on the determined amount of noise 
without exceeding
The method 12 , further comprising determining an amount of noise that may be added to { HEAD ~ a channel signal } without exceeding { TAIL ~ a limit } and adjusting the gain of at least one of the channel signals based on the determined amount of noise
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH