▁pic nic , ▁but ▁this ▁was ▁disc arded ▁when ▁the ▁extended ▁g ags ▁cent ering ▁on ▁the ▁troubles ome ▁Model ▁T ▁provided ▁enough ▁com ic ▁material ▁to ▁sust ain ▁the ▁entire ▁film . ▁ ▁Per fect ▁Day ▁was ▁also ▁fil med ▁out do ors , ▁which ▁fre ed ▁it ▁from ▁the ▁stage bound ▁cla ust roph ob ia ▁common ▁to ▁many ▁early ▁talk ies . ▁The ▁opening ▁scene ▁is ▁the ▁only ▁one ▁set ▁ind o ors ▁( the ▁sound ▁of ▁wh ir ring ▁cam eras ▁can ▁be ▁heard ▁in ▁some ▁sh ots ), ▁while ▁the ▁exterior ▁sound ▁recording ▁was ▁techn ically ▁impress ive ▁during ▁an ▁era ▁of ▁film making ▁when ▁most ▁actors ▁had ▁to ▁stand ▁close ▁to ▁the ▁overhead ▁micro phone . ▁ ▁The ▁live ▁out door ▁recording ▁also ▁revealed ▁the ▁impro vis atory ▁nature ▁of ▁most ▁early ▁La ure l ▁and ▁Hard y . ▁A ▁se ated ▁Ed gar ▁Kennedy ▁man ages ▁to ▁ad ▁lib ▁" Oh , ▁sh it ! ", ▁which ▁escaped ▁the ▁scr ut iny ▁of ▁movie ▁and ▁television ▁cens ors . ▁ ▁Despite ▁the ▁fact ▁that ▁the ▁film ▁industry ▁was ▁still ▁adjust ing ▁to ▁the ▁making ▁talking ▁pictures , ▁La ure l ▁and ▁Hard y ▁master ed ▁the ▁new ▁technology ▁early ▁on ; ▁the ▁overall ▁excell ence ▁and ▁high ▁reputation ▁of ▁Per fect ▁Day ▁be ars ▁testim ony ▁to ▁the ▁team ' s ▁fruit ful ▁use ▁of ▁the ▁new ▁medium . ▁Using ▁sound ▁effects ▁to ▁pun ctu ate ▁a ▁visual ▁g ag ▁— ▁a ▁technique ▁The ▁Three ▁Sto