I. INTRODUCTION
E=%4D" @61" V60" K10B=%3)4*" &='" #$%&'" ()*)&%$" +,-." /)0&1%$" 2%3&'0)4*" 56436$'" (@4%A)B3"
C%BD;"
E=)3"+,-."$)4'"6V"A%3&'0)4*"K06B'33603"Z%3"B0'%&'?"&6"K06>)?'"@61"Z)&="&='"A63&"K0'B)3'"
&66$3" V60" &='" A%3&'0)4*" 3&%*';" " E='3'" K06B'33603" 13'" #$%&'" ()*)&%$^3" _<?>%4B'?"
<$*60)&=A3`;" " E=)3" &'0A" ?'3B0)F'3" %" 14)Y1'" %4?" B6AK$'W" B6AA14)B%&)64" 3@3&'A"
F'&Z''4" &='" (#H" %$*60)&=A3" &=%&" A%D'" )&" K633)F$'" &6" %B=)'>'" 4'Z" =')*=&3" )4" 3)*4%$"
K06B'33)4*;"""
E=)3"A%41%$"Z)$$"='$K"@61"14?'03&%4?"&='"+,-."(@4%A)B3"C%BDa"%4?"*)>'"@61"36A'"&)K3"
64"=6Z"&6"13'"&='"K06B'33603")4"&='"A%3&'0)4*"3&%*';"
II. LOUDNESS VS. NECESSITY
<3" @61" %0'" %F61&" &6" Z)&4'33a" &='" +,-." (@4%A)B3" C%BD" Z)$$" *)>'" @61" &='" B%K%F)$)&@" 6V"
A%D)4*" A)W'3" >'0@" $61?" Z)&=61&" &='" ?'*0%?)4*" %0&)V%B&3" &=%&" %" A%3&'0)4*" '4*)4''0"
B6AA64$@"?'%$3"Z)&="Z='4"13)4*"K'%D"$)A)&)4*;"""
E='0'V60'" @61" =6$?" )4" @610" *0%3K" %" *0'%&" K6Z'0a" %4?" Z'" %3D" &=%&" @61" 13'" )&" Z)3'$@;""
C'*%0?$'33"6V"&='"K06B'3360"13'?a"%"0'B60?"%&"-R?b"C2#"cA60'"64"C2#d"/J;!"C2#":'>'$a"
K;!Pe"Z)$$"4'>'0"3614?"%3"*66?"%3"64'"%&"-!9?b"C2#;"":1BD)$@a"&='"*'4'0%$"A13)B"F1@)4*"
K6K1$%&)64"=%3" 46Z"'>'4"F'B6A'" Z)3'"&6" &='"$61?4'33"Z%03" %4?")3" ?'A%4?)4*" &=%&")&"
3&6K3;""f'"=6K'"&=%&"@61"B%4"13'"&='"+,-."K06B'3360"3'43)F$@a"%4?"46&"%3"%"&66$"&6"3=6Z"
B$)'4&3"=6Z"$61?"@61"B%4"46Z"*6"Z)&=61&"&104)4*"&='"A)W")4&6"3Y1%3=;""JV"Z'"%$$"%)A"V60"
%4"C2#"*6%$"6V"-!9?b"&6"-T?ba"A13)B"Z)$$"3614?"F'&&'0a"%4?"A%@F'")43&'%?"6V"_$61?4'33"
Z%03`"Z'"B%4"=%>'"_$61?4'33"K%0&)'3`;""
"
"
"