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4 /\o l. J-E' i€-"l 49 +-J ql trl il= € 6Jg € B 6-I7lql *^1, t4 (sound) 9 5C g "Jol E g .qz} 91tr1. izl= Hls(frequency) - +tlr+ zlE(intensity) - vla+= E.4 4 5C "l 9l =ql, oltrI "il F zlzlg c 4 4 "J 5^J o -tr-= *=(pitch) e+ i4 E 3zl(toudness)7} 91tr1. r+ +L+. *e IJE+e =g HIE+HtrI +g^la'J dEolfzl 4+. 1a3 A*izl HlEoltrl. EIqTl is4r.e+ *4zl AqE q= ae 44E Hlrzl 4ezl 4lEolrl. i?-lel zoFE(intensity)E _H-€: rtJ^lg(aU)_a +Cgq, r?-l 4lH_= zl9 i}"l= EJ€-J 4. els= 1AB 4t(waves)9 +s +EI..ilq,449 ,JE= g+q +*olE Ll4Etrl. 'E(loud)" t4 = 'PEel t (soft)" 14 -ELq f 4 E 7tE7l rl =-r-1. [:-B 12- 1]g q zl zlz) i4E E'tl^lg+il= -ELq+r 9lq. :eJ 12-1 taloll rl{Ef Ell^lg += r€.ol +9 +"J ql "l ul aJ €6'Jg pl zltszlE +d 6l E6l.71- ,I * q H q. r el + 4+ B+68q1 9lq^] rl=- qtr atrtr}E r+e- Y*e €.Jg rjl dtrI. agreel]q] +6.J =zl9 €T(Broadbent, 1957)= Ezl 90u'll,r1u3-3- ir+61= +=ql^l"J zlg=Eg +i l- :L 4 ril ^lH+= 50hp alold(roo9e zl4) ^ilE Hl6J7l ol+(200rlE Z4) dBzl i}EE 'J+€;tl "l 4 +zlAl xl6}ar+(20tlE ,14) "J+EB (soq s 4:-]) +Egi}(loovlE Zq) Tl*?rzl €€(1rlE rl4) 7l trI+ H$zl (zoovle 4 4) ++"J (s4 e ,14 ) 140 130 t20 110 100 90 80 80 70 60 50 40 30 3t0
308page

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308page

1. 소음
308page

1. 소음