▁five - year ▁battle ▁with ▁the ▁ill ness , ▁Philip ▁passed ▁away ▁on ▁ 2 4 ▁July ▁ 2 0 1 2 . ▁ ▁References ▁▁ ▁Category : 1 9 5 2 ▁birth s ▁Category : 2 0 1 2 ▁death s ▁Category : Austral ian ▁film m akers <0x0A> </s> ▁The ▁sud ro phone ▁is ▁a ▁br ass ▁instrument ▁invent ed ▁by ▁François ▁Sud re ▁( 1 8 4 4 – 1 9 1 2 ). ▁Its ▁shape ▁res emb les ▁that ▁of ▁an ▁o ph icle ide . ▁It ▁was ▁pat ented ▁in ▁ 1 8 9 2 . ▁ ▁A ▁sud ro phone ▁has ▁a ▁cyl ind rical ▁bore ▁and ▁four ▁Per inet ▁val ves . ▁Its ▁length ▁is ▁ ▁and ▁the ▁bell ▁diameter ▁is ▁. ▁The ▁" val ve " ▁nearest ▁the ▁mouth pie ce ▁on ▁the ▁lead pipe ▁controls ▁a ▁sil k ▁memb rane ▁to ▁create ▁a ▁nas al ▁effect , ▁which ▁Sud re ▁designed ▁to ▁make ▁a ▁sound ▁like ▁a ▁c ello ▁or ▁a ▁viol in . ▁The ▁instrument ▁is ▁very ▁similar ▁to ▁the ▁bar it one ▁horn ▁and ▁hel icon . ▁Ac oust ically ▁these ▁res emble d ▁the ▁sa x horn s , ▁but ▁the ▁shape ▁was ▁different ▁as ▁the ▁main ▁t ube ▁was ▁double d ▁back ▁on ▁itself , ▁giving ▁a ▁vertical ▁appearance ▁rem in is cent ▁of ▁an ▁o ph icle ide , ▁this ▁design ▁choice ▁was ▁made ▁by ▁Sud re ▁to ▁make ▁the ▁instrument ▁stand ▁out ▁more ▁amongst ▁the ▁primarily ▁sa x