original:
https://www.youtube.com/watch?v=PhShbVVQ49A&list=RDPhShbVVQ49A

standard reconstruction:
ctune exit wavespeed=0 upnone upbargraph lpnone lpspec ssb.flac fpreconstruct=1 qtype=constantbw qlow=.5 gain=20,100 fpmaxpeaks=250

reconstruction with 3 seconds of hold at offset 2.35 seconds:
ctune exit wavespeed=0 upnone upbargraph lpnone lpspec ssb.flac fpreconstruct=1 qtype=constantbw qlow=.5 gain=20,100 fpmaxpeaks=250 stretchoffset=3.25 stretchduration=3