In {TAIL ~ other embodiments}, the magnitude threshold, {HEAD ~ excursion signal} and individual channel signals may also be adaptively adjusted based on, for example, a channel signal quality such as a noise level specification 
In
In { TAIL ~ other embodiments } , the magnitude threshold , { HEAD ~ excursion signal } and individual channel signals may also be adaptively adjusted based on , for example , a channel signal quality such as a noise level specification
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH