The present invention may also adaptively select a window function type, or may adaptively vary parameters of {HEAD ~ a window function} in {TAIL ~ accordance} with the block length or input signal characteristics 
in
The present invention may also adaptively select a window function type , or may adaptively vary parameters of { HEAD ~ a window function } in { TAIL ~ accordance } with the block length or input signal characteristics
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH