Something

on *:TEXT:!enable av:#pc-hq:{ 
if ($nick isop $chan || $nick isop $chan) { 
set %aven. [ $+ [ $chan ] ] on 
  notice $chan Auto Voice: ON 
} 
} 
on *:TEXT:!disable av:#:{ 
if ($nick isop $chan || $nick isop $chan) { 
set %aven. [ $+ [ $chan ] ] off    
  msg $chan Auto Voice: OFF 
} 
} 
on *:JOIN:#pc-hq:{ 
if (%aven. [ $+ [ $chan ] ] == on) { 
  mode $chan +v $nick
 }
}