9 9.1 NIPTS noise induced permanent threshold shift NITTS noise induced temporary threshold shift Tsan Ju Chen et al. 1992 112 5 dip 2 khz 25 db 65.2% 55.0% 41.7% 32.4% 0.0%5 Tsan Ju Chen et al. 1993 A 228 10km B 151 A B 0.5, 1, 2 khz 4, 6, 8 khz 4 khz Tsan Ju Chen et al. 1997 83 93 0.5, 1, 2 khz 4, 6, 8 khz 4 khz Ising 1992 125 db 2 3 khz 4 khz Trong Neng Wu et al. 1995 193 5km 49 4 khz 50 28 L Aeq,24h 1999
9 2 1999 L Aeq,24h 68 93 db 2 9.2 NITTS NIPTS 2 1 NITTS NIPTS 9.2.1 24 1968 2 13 24 6 WECPNL WECPNL 101 110 70 db 30 1 70 db 70% 30% 9.2.2 24 1972 11 10 24 11 1 WECPNL WECPNL 107 70 db 5dB 70 80 db 10 db 24 30 2 db/s 1968 2 20 70 db 2 70%
9 9 3 1 1 136 1968 1968 6 1 9.2.3 NITTS 24 NITTS NITTS NITTS 30 NITTS NITTS (1987) 24 10 NITTS 4 khz 9 1 9 2 NITTS 2 8 khz 24 NITTS 9 3 4 khz c 5 -dip 20 db NITTS NITTS NITTS 24 88 db 87 db NITTS 5dB 24 120 20 9.2.4 NIPTS Robinson (1971) NIPTS 1972 NIPTS 2 1972 24 79 87 db 1 83 db Robinson 5 1 8 10 NIPTS 9 4 3 50 90 98 50 4 khz 8dB 98 25 db 5 90 98 5dB20 5dB 9.2.5 24 80 db 24 1 83 84 db 89 db 1 khz 10 db 2 khz 15 db
9 4 1999 (db) 110 100 90 80 70 60 50 0 3 6 9 12 15 18 21 24 Time (hour) NITTS at 4kHz (db) 25 20 15 10 5 0 0 3 6 9 12 15 18 21 24 Time (hour) 9 1 NITTS 1968/2/13 (db) 110 100 90 80 70 60 50 0 3 6 9 12 15 18 21 24 Time (hour) NITTS at 4kHz (db) 25 20 15 10 5 0 0 3 6 9 12 15 18 21 24 Time (hour) 9 2 NITTS 1972/11/10 NITTS (db) 0 5 10 15 20 25 : : 2 3 4 6 8 (khz) NIPTS (db) 0 5 10 15 20 25 30 : 50% : 90% : 98% 0.5 1 2 3 4 6 (khz) 9 3 NITTS 9 4 Robinson NIPTS
9 9 5 N 9 1 (WECPNL) 40 69 (A) 90 100 207 (B) 90 95 475 (C) 85 90 474 25 40 (A+C) 85 100 587 (B) 90 95 292 2035 0 1 2km 9 5 3 khz 20 db 9.3 THI Hiramatsu et al.; 1997 NITTS NIPTS 9 5 9.3.1 9.3.1.1 3 WECPNL90 100 (A) 40 69 207 2 WECPNL90 95 (B) 475 WECPNL85 90 (C) 474 3 25 40 WECPNL85 100 (A+C) 587 WECPNL90 95 (B) 292 9 1 9.3.1.2 a 9 17 b, AA-67N, AA-62 0.5 1 2 3 4 6 8 khz 7 5dB SILENT CABIN 30 db 2 9.3.1.3 40 69 (A) 1996 5 18 20 115
9 6 1999 9 2 40 69 WECPNL 40-49 50-59 60-69 40-49 50-59 60-69 (A) 90 100 16 14 19 49 11 24 31 66 115 (B) 90 95 13 10 14 37 24 16 27 67 104 (C) 85 90 8 4 12 24 10 14 11 35 59 37 28 45 110 45 54 69 168 278 25 40 WECPNL 25-30 31-40 25-30 31-40 (A+C) 85 100 6 14 20 11 17 28 48 (B) 90 95 1 6 7 4 6 10 17 7 20 27 15 23 38 65 55.6% (B) 1997 7 26 27 104 21.9% (C) 1997 8 30 31 59 12.4% 25 40 (A+C) 1998 7 4 5 48 8.2% (B) 1998 9 13 17 5.8% 9 2 343 28 12 40 9 3 ISO 7029-1984 (E) 25% 50% 75% 90% 95% 9 1 9 5 9 3 40 69 (A) 115 55.6% 21 (B) 104 21.9% 11 (C) 59 12.4% 4 25 40 (A+C) 48 8.2% 3 (B) 17 5.8% 1 343 16.9% 40 9.3.2.2 30 db 1 9.3.2 9.3.2.1 3 40 a AA- 61BN 0.125, 0.25,0,5, 1, 2, 3, 4, 6, 8 khz 9 1dB
9 9 7 b SISI Short Increment Sensitivity Index 1 khz 4 khz SISI 20 db Jerger 60% 20 55%15% c RS 20 d dip dip ESSILOR Audioscan 1 khz 8 khz 20 s/octave sweep 5dB, dip Meyer-Bisch; 1996, Laroche et al.; 1997 9.3.2.3 4 A SISI dip dip 10 2 12 12 9 4 9 1 9 12 ISO 7029-1984 (E): Data base A (screened population) 90 1 8 c 5 -dip 4 c 5 -dip c 5 -dip WECPNL90 (A) c 5 -dip ISO 90 50 dip 9 13 9 16 9.4 9.4.1 12
9 8 1999 9 4 12 No. WE 1) 4) 1 57 95 40 2 47 90 19 3 57 95 40 4 52 95 39 5 48 95 32 6 68 90 21 7 44 95 40 8 59 95 35 2) 9 63 90 38 10 64 90 43 11 68 85 40 12 33 90 33 No. Tympano SISI-1k SISI-4k R-4 khz L-4 khz ( / ) ( / ) 1 A 3) / / 44 db 34 db 2 A / / 53 db 55 db 3 A / / 48 db 53 db 4 A / / 29 db 51 db 5 A / / 57 db 58 db 6 A / / 75 db 75 db 7 A / / 55 db 55 db 8 A / / 68 db 95 db 9 A / / 65 db 63 db 10 A / / 67 db 64 db 11 A / / 46 db 52 db 12 A / / 55 db 47 db 1) 2) () 56 2 3 3) () 4) 9 5 WECPNL WECPNL 85 90 474 59 1 90 95 100 49 2 95 100 107 66 6 681 174 9 (a) 40 69 WECPNL 9 5 WECPNL 90 WECPNL 85 90 2 WECPNL 1 1 WECPNL Mantel p =0.0402
9 9 9 WECPNL 0 100 200m p <0.0001 2 N 58 2 WECPNL 40 69 9 6 WECPNL95 p =0.0312 (b) THI 130 3 WECPNL WECPNL WECPNL 9 7 95% **; p<0.01 p 3 5 9 1% WECPNL95 2 WECPNL90 9 6 WECPNL85 WECPNL95 WECPNL90
9 10 1999 Odds ratio 4.0 3.0 2.0 1.5 1.0 0.7 0.5 Category: 1 p = 0.0055 Ctrl. 70 75 80 85 90 95 WECPNL ** 9 7 WECPNL (c) 124 db 127 db L eq,24h 79 87 db 77 89 db 2.2.3 2.2.4 EPA L eq,24h = 70 (db) 24 80 db (d) NITTS NIPTS 4 khz NITTS 20 db NIPTS 50 NIPTS 10 db 90 18 db 98 26 db WECPNL95 66 6 NIPTS (e) c 5 -dip SISI ISO c 5 -dip c 5 -dip 1993 c 5 -dip (f) 9 2 3 8 (g) 8 10 12 19 43 12 8 35 9.4.2 (U.S. Department of Health; 1964) (a) 80 85 db 8 85 db 24 80 db
9 9 11 (EPA) 24 70 db 24 79 89 db (b) 12 c 5 -dip (c) (d) ; 1988 Tsan- Ju Chen et al. (1997) (e) 12 5 9.5 1991 WECPNL95 WECPNL 105 L Aeq,24h 85 TTS 4kHz NITTS 15 20 db 25 69 2,035 5dB 343 16.9% 343 40 1/ 1dB
9 12 1999 2 SISI 3 4 4 10 2 12 1 A 2 SISI 3 dip dip 4 40 69 9 WECPNL95: 6, WECPNL90: 2, WECPNL85: 1 12 12 12 ChenTJ, ChenSS, Hsieh PY & Chiang HC (1997), Auditory effects of aircraft noise on people living near an airport, Arch Environ Health 52: 45 50. Hiramatsu K, Yamamoto T, Taira K, Ito A & Nakasone T (1997), A survey onhealth effects due to aircraft noise on residents living around Kadena airbase in the Ryukyus, J Sound Vib 205: 451 460. Ising H, Rebentisch E, (1993), Results of a low-altitude flight noise study in Germany, Aural effects. Schriftenreiche des Vereins fuer Wasser-, Boden-, und Lufthygiene 88: 339 367. (1987) TTS 43: 573 582. Laroche C & Hetu R (1997) A study of the reliability of automatic audiometry by the frequency scanning method (AUDIOSCAN), Audiology 36(1), 1 18. Meyer-Bisch C (1996) Audioscan: a high-definition audiometry technique based on constant-level frequency sweeps a new method with new hearing indicators, Audiology 35(2), 63 72. (1996),,. Robinson DW (1971) Estimating the risk of hearing loss due to exposure to continuous noise, in Occupational hearing loss, Academic Press, London. (1993),. (1988), 58 62 (1999), 1. 3: 9 13.. U.S. Department of Health (1964), Education and Welfare, Smoking and Health, Report of the advisory committee to the surgeongeneral of the public health servoce [cited in 1978, ]. (1984),,. Wu TN, Lai JS, ShenCY, Yu TS & Chang PY (1995), Aircraft noise, hearing ability and annoyance. Arch Environ Health 50: 452 456. ChenTJ, Chiang HC & ChenSS (1992), Effects of aircraft noise on hearing and auditory pathway function of airport employees, J Occup Med 34(6): 613 619. ChenTJ & ChenSS (1993), Effects of aircraft noise on hearing and auditory pathway function of school-age children, Int Arch Occup Environ Health 65: 107 111.
9 9 13 9 1 () (1) WECPNL90, 40 69 1 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 1 40 15 10 15 15 15 25 35 5 10 15 20 35 60 55 2 40 25 25 30 20 20 15 40 30 20 15 20 15 25 40 3 42 15 20 25 10 25 15 20 10 15 15 15 20 25 20 4 42 15 15 5 5 10 10 20 15 10 10 5 0 25 25 5 43 10 10 10 10 10 10 25 15 10 20 25 15 25 30 6 43 10 15 15 20 15 30 50 15 10 20 10 20 20 40 7 44 15 15 20 30 35 35 25 10 15 20 20 25 35 15 8 44 15 10 15 60 65 65 60 10 10 15 60 55 45 55 9 45 35 35 20 15 15 30 35 30 40 35 30 25 25 35 10 46 40 30 30 55 70 70 65 15 15 20 30 30 30 20 11 47 30 35 40 45 55 65 65 25 25 25 45 55 65 60 12 48 20 15 15 15 20 55 25 15 15 20 25 25 35 30 13 48 15 20 25 35 60 55 45 25 35 45 50 60 60 50 14 49 25 25 30 30 25 85 90 20 25 25 30 25 20 25 15 49 15 10 10 10 10 25 25 20 20 15 20 25 25 30 16 49 90 80 65 50 55 70 55 80 75 65 60 50 55 75 17 52 15 15 10 25 25 25 35 20 5 5 20 25 35 40 18 53 15 15 15 15 15 15 20 15 20 20 20 20 10 5 19 53 25 35 35 25 10 25 25 15 25 25 15 10 5 5 20 54 35 25 30 45 45 40 60 20 20 30 25 25 25 60 21 55 5 10 5 10 10 15 30 15 10 5 15 5 35 15 22 56 15 10 20 10 25 25 40 20 10 15 15 15 25 40 23 57 20 20 20 45 45 55 55 30 20 30 35 60 55 40 24 57 30 35 35 35 35 45 60 20 20 20 15 35 15 25 25 57 10 20 15 15 15 15 20 20 15 20 30 30 25 30 26 57 20 25 25 15 20 20 40 25 30 35 35 35 30 40 27 57 20 15 20 25 40 45 30 15 10 25 15 30 35 10 28 58 15 20 20 15 25 65 50 15 20 30 30 30 50 70 29 58 45 30 35 45 75 75 75 25 25 20 35 55 70 70 30 59 35 30 45 65 75 70 80 50 60 65 80 100 90 100 31 60 32 61 10 15 10 10 5 15 20 10 10 5 10 15 15 15 33 61 15 10 40 90 90 95 90 10 15 15 25 40 40 45 34 62 10 5 10 25 40 35 35 5 10 10 25 55 45 25 35 62 40 15 20 20 30 50 35 35 20 20 15 20 50 35 36 63 20 20 25 35 40 55 65 25 25 30 30 50 45 70 37 63 50 45 50 55 70 70 80 45 50 45 45 60 65 90 38 64 10 15 20 30 50 45 45 10 20 20 30 50 45 50 39 64 30 20 25 30 40 50 55 50 45 65 65 80 85 95 40 64 15 25 15 10 15 15 20 10 10 15 10 25 15 25 41 64 15 20 30 30 30 30 65 20 30 45 40 45 40 65 42 66 100 85 90 100 100 90 100 70 70 50 65 70 85 100 43 66 55 55 70 80 85 100 95 45 45 75 80 85 90 95 44 66 35 25 60 75 60 65 80 40 15 75 75 80 60 70 45 66 30 35 40 30 35 50 70 30 30 35 25 30 45 50 46 67 25 25 35 50 70 80 95 25 30 35 65 60 65 100 47 67 25 35 40 35 35 35 55 20 30 40 35 35 35 40 48 67 15 25 35 35 40 50 75 30 20 30 40 50 55 60 49 68 20 15 30 75 75 75 90 20 25 40 75 70 75 80 50 40 25 15 10 10 20 10 20 20 10 10 10 10 10 20 *,
9 14 1999 9 1 () (1) WECPNL90, 40 69 2 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 51 41 15 15 20 15 10 25 35 30 25 25 20 20 25 40 52 41 25 30 30 35 35 35 75 35 30 40 30 35 35 55 53 42 40 25 35 35 35 20 50 30 25 35 30 40 30 35 54 42 20 10 5 10 5 30 15 20 10 10 10 10 15 15 55 43 15 20 20 15 10 25 20 10 10 10 15 10 20 30 56 43 25 25 20 20 15 25 45 25 20 20 10 20 30 45 57 44 10 10 10 15 15 20 20 15 20 30 25 35 20 20 58 45 40 30 40 60 50 25 45 20 20 25 20 20 20 25 59 45 20 15 20 15 15 5 25 15 15 15 10 10 15 20 60 48 25 30 35 15 20 20 25 20 30 35 20 25 15 25 61 50 20 20 20 15 15 30 50 20 15 15 20 20 30 45 62 51 20 15 20 30 30 35 25 20 15 20 20 20 25 30 63 51 25 35 25 20 25 20 20 30 25 20 20 20 20 35 64 52 25 20 25 10 15 25 35 15 25 20 15 10 20 35 65 52 40 30 35 50 45 55 55 20 10 20 60 55 45 30 66 52 15 20 20 15 20 15 15 15 15 20 10 10 10 15 67 53 15 20 25 25 20 30 25 15 20 25 30 25 30 40 68 53 15 15 15 15 20 55 30 20 20 15 20 15 20 30 69 53 20 10 10 15 15 40 45 15 5 10 20 20 20 15 70 54 20 10 15 10 10 20 25 15 15 10 10 10 15 15 71 54 45 45 55 60 45 70 80 25 30 30 30 30 35 30 72 54 20 20 30 10 10 20 25 30 25 30 20 35 30 35 73 55 20 25 25 20 20 25 30 25 25 30 20 25 25 25 74 56 30 15 15 20 20 10 25 20 15 15 20 15 15 20 75 57 55 60 70 65 85 75 90 55 55 70 60 50 45 65 76 58 20 15 20 25 25 40 40 20 15 20 30 35 35 45 77 58 20 15 20 15 30 40 50 15 20 20 15 20 20 20 78 58 10 15 15 15 20 5 25 10 10 15 15 10 5 20 79 58 40 40 25 30 30 70 85 40 40 30 40 35 85 95 80 58 25 25 40 55 60 65 75 20 25 40 50 60 80 80 81 58 20 20 15 25 35 20 45 20 10 20 20 35 40 40 82 59 25 30 30 25 35 40 55 25 25 15 20 25 35 60 83 59 20 25 20 10 15 20 15 15 15 10 5 20 20 25 84 59 25 25 20 20 20 25 30 30 20 20 20 20 25 35 85 60 30 20 20 30 25 40 45 20 20 25 35 35 40 45 86 60 25 35 25 30 45 70 65 25 25 30 35 75 80 80 87 60 20 25 35 40 45 45 65 25 25 40 35 45 50 85 88 60 15 15 30 25 20 70 90 45 30 40 50 65 90 95 89 61 20 15 15 25 25 25 35 30 50 50 25 15 30 40 90 61 15 15 20 15 20 30 45 15 15 15 30 15 25 35 91 61 30 35 35 25 30 25 30 30 35 35 40 35 45 35 92 62 30 25 30 30 35 40 35 25 30 40 35 40 45 40 93 62 35 30 25 25 25 40 45 35 25 35 30 35 35 45 94 63 15 15 20 15 25 20 20 50 35 30 30 30 35 40 95 64 25 40 40 20 25 40 45 20 35 20 15 20 20 20 96 64 40 40 60 65 65 80 75 40 45 55 65 65 70 80 97 64 35 30 40 35 25 45 60 30 20 40 20 30 40 50 98 65 40 45 40 30 25 50 65 50 45 50 45 40 60 70 99 65 35 30 40 45 35 40 50 25 35 40 35 30 45 50 100 65 25 25 40 45 35 55 55 25 35 50 50 40 45 55 *,
9 9 15 9 1 () (1) WECPNL90, 40 69 3 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 101 65 25 35 35 25 25 35 55 25 30 25 15 20 25 45 102 65 20 20 25 25 25 20 25 25 20 25 15 15 10 20 103 65 20 20 15 25 20 30 35 30 25 20 15 10 15 20 104 66 25 25 30 15 25 40 50 30 25 20 20 25 25 35 105 66 35 30 40 60 60 70 95 35 30 30 35 45 60 80 106 66 35 35 35 35 40 25 40 40 30 30 25 25 15 55 107 67 30 25 30 30 35 50 65 20 30 40 40 45 65 65 108 67 25 15 25 30 20 25 20 20 20 35 35 40 40 40 109 67 20 20 35 30 35 45 50 15 30 40 50 45 55 60 110 67 40 35 30 40 40 55 65 30 15 20 20 25 65 60 111 67 50 60 60 65 65 65 90 40 40 50 30 40 35 45 112 67 35 40 30 30 20 30 55 15 20 25 30 35 35 65 113 68 40 35 35 50 50 90 95 40 40 45 55 70 95 95 114 68 20 15 15 15 25 25 25 15 15 15 15 10 20 30 115 68 25 25 25 40 30 50 80 15 25 30 30 30 50 80 *, 9 2 () (2) 40 69 1 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 1 40 25 15 15 10 15 40 35 20 20 20 15 15 30 25 2 41 85 90 95 85 95 90 90 85 90 100 90 85 90 90 3 41 15 15 20 30 25 30 20 15 15 15 20 25 25 35 4 41 20 10 15 20 25 20 15 15 15 20 10 35 30 10 5 44 20 15 30 50 50 45 50 30 35 35 45 40 30 45 6 44 15 15 10 15 25 40 50 10 15 15 25 35 30 35 7 44 20 15 15 10 15 15 40 15 10 15 15 15 15 25 8 44 20 20 25 20 25 25 35 15 15 20 20 25 30 20 9 45 5 15 15 10 20 35 15 10 15 15 25 55 50 15 10 46 10 15 20 25 40 25 40 20 20 30 55 45 55 60 11 47 20 30 20 20 20 35 45 20 25 25 20 25 55 35 12 48 15 15 20 25 30 30 45 10 15 15 25 30 45 65 13 48 30 30 35 35 55 30 35 75 80 75 80 80 70 65 14 50 15 20 20 15 20 35 40 15 15 20 15 15 20 50 15 50 20 30 30 35 30 20 35 20 25 25 30 30 15 25 16 52 15 15 30 30 25 45 50 15 15 30 40 50 40 55 17 52 30 35 20 40 55 60 60 50 40 30 35 45 50 75 18 53 30 30 35 35 30 25 80 20 25 25 35 35 35 50 19 57 10 10 30 55 65 65 65 20 25 25 30 70 45 40 20 57 15 15 20 25 35 55 80 15 10 35 45 50 70 75 21 58 30 25 25 15 15 40 60 15 15 20 20 30 35 50 22 58 50 50 50 45 55 75 80 15 15 15 20 10 55 30 23 59 10 10 15 10 10 45 65 10 10 10 10 10 50 60 24 60 30 30 45 20 20 25 50 25 25 25 30 30 40 60 25 62 15 20 35 50 40 55 65 25 20 40 50 45 50 75 *,
9 16 1999 9 2 () (2) 40 69 2 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 26 62 20 25 30 15 30 25 45 25 25 25 30 50 30 50 27 62 20 20 20 30 35 30 35 20 25 20 30 25 40 40 28 63 35 30 25 35 60 50 30 35 35 35 55 55 70 35 29 64 10 20 25 40 70 45 30 10 25 30 65 65 50 55 30 64 55 50 45 70 85 95 90 50 40 40 50 55 60 90 31 64 15 15 25 20 20 25 30 15 15 15 20 25 20 35 32 65 75 80 90 95 100 100 95 25 30 40 50 60 55 60 33 65 10 10 25 30 25 35 45 10 10 15 25 30 30 50 34 65 35 35 30 35 35 65 60 25 25 25 30 45 45 55 35 67 20 15 25 30 40 40 75 15 15 25 35 40 50 60 36 67 10 10 20 10 10 35 60 10 10 15 20 20 45 65 37 69 50 35 40 65 75 85 90 55 50 60 75 75 80 95 38 40 10 5 5 10 10 10 10 0 5 10 5 5 10 10 39 40 10 15 15 10 10 10 15 10 15 15 15 15 10 10 40 40 20 10 15 10-5 10 5 10 15 10 10 15 25 30 41 41 20 20 15 20 15 35 35 15 15 15 10 10 25 30 42 42 10 15 25 20 10 10 40 10 10 15 15 5 10 10 43 43 20 15 15 15 20 15 30 25 15 15 20 20 10 30 44 43 15 15 20 15 15 35 60 30 30 40 50 60 55 65 45 43 20 20 20 20 20 15 25 15 20 20 20 20 20 25 46 43 20 20 20 20 35 30 30 50 45 30 25 20 25 30 47 44 15 10 10 10 15 25 20 25 15 10 10 15 15 30 48 45 15 15 20 15 20 15 40 15 15 20 15 10 10 35 49 45 20 20 20 25 30 20 30 25 20 20 20 20 20 20 50 45 15 20 20 15 5 5 20 10 10 25 5 0 5 20 51 46 20 25 35 40 50 70 85 45 45 45 55 75 85 95 52 46 35 25 35 30 30 25 15 30 25 25 20 25 20 15 53 46 25 15 15 20 15 15 45 25 15 15 30 30 10 25 54 46 20 30 25 30 40 40 40 15 20 20 10 5 10 20 55 47 20 10 20 15 10 5 30 10 15 20 15 15 5 10 56 47 25 20 30 15 20 20 30 25 25 25 25 15 20 30 57 48 20 10 10 5 5 30 45 25 10 10 5 15 30 50 58 49 15 15 25 30 20 25 30 15 15 30 25 30 15 15 59 49 10 10 15 15 20 10 40 10 10 15 15 20 15 20 60 49 20 25 30 20 15 30 25 20 20 30 20 25 35 25 61 49 10 10 10 10 20 10 10 10 10 15 20 20 20 15 62 50 15 15 25 10 5 0 10 25 15 25 20 15 15 25 63 50 15 15 5 10 10 5 15 10 15 20 10 15 15 0 64 50 20 25 20 25 25 25 40 20 25 20 25 25 30 40 65 51 10 10 15 15 15 20 10 10 10 15 15 15 5 10 66 52 20 15 25 30 10 35 40 15 20 20 15 10 40 40 67 54 25 30 35 20 35 30 45 55 40 50 70 70 55 80 68 54 55 55 80 90 90 85 95 55 50 55 55 55 65 90 69 54 15 20 30 25 30 25 25 15 15 20 20 20 15 20 70 55 20 30 30 35 20 20 40 25 25 25 25 45 20 30 71 55 15 15 15 20 15 10 25 60 65 65 75 70 80 80 72 55 25 20 35 30 35 40 45 15 20 30 35 35 25 30 73 56 15 5 15 15 25 50 60 20 10 25 20 20 50 60 74 56 30 40 35 45 35 35 60 50 45 45 45 55 60 70 75 57 20 25 30 25 20 30 40 15 20 35 40 40 40 45 *,
9 9 17 9 2 () (2) 40 69 3 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 76 58 100 100 100 100 100 100 95 100 100 100 100 100 100 95 77 58 80 75 70 40 35 35 35 65 60 55 35 30 30 40 78 60 25 35 30 30 25 20 30 30 30 45 40 40 30 50 79 60 35 35 50 45 40 30 50 30 35 40 35 35 45 50 80 60 20 20 25 30 20 30 25 20 20 30 30 30 35 20 81 60 25 25 25 35 25 30 45 25 20 25 30 25 15 45 82 60 10 15 15 10 10 15 15 5 15 20 15 15 10 20 83 61 15 15 15 20 20 20 15 15 15 15 15 15 10 25 84 61 30 35 45 50 45 60 95 25 30 30 50 50 50 80 85 62 20 30 20 10 25 20 30 30 25 30 15 25 20 40 86 62 35 35 45 40 45 45 70 65 70 70 75 75 60 85 87 62 20 10 20 25 25 25 45 15 10 15 20 20 15 30 88 63 25 20 20 20 10 0 15 40 35 35 45 45 20 30 89 63 40 40 50 40 35 35 40 35 40 45 35 40 40 40 90 64 25 15 25 30 45 65 70 10 15 20 15 25 45 50 91 64 30 35 50 40 35 80 95 15 65 85 85 95 100 95 92 64 30 25 25 25 25 20 35 20 15 20 25 15 25 40 93 64 45 30 40 35 40 55 60 30 20 30 30 30 55 50 94 64 90 75 75 50 45 35 75 85 80 55 45 40 30 75 95 65 20 30 35 25 35 40 30 20 25 25 20 25 40 30 96 65 25 25 40 35 30 45 70 25 20 25 25 35 35 70 97 65 35 45 55 60 60 55 75 65 65 65 70 70 70 80 98 66 30 30 35 30 35 45 65 30 30 40 40 45 35 45 99 66 15 10 15 20 15 25 40 15 15 20 30 40 30 60 100 66 20 25 30 20 20 20 25 20 25 35 25 20 15 25 101 67 40 20 30 25 35 40 70 20 20 25 25 25 45 65 102 68 20 15 15 20 15 30 35 20 15 15 15 20 25 40 103 68 70 60 70 70 85 85 95 55 45 60 75 75 80 95 104 69 25 30 50 35 25 45 70 35 35 45 45 25 50 45 *, 9 3 () (3) WECPNL85 90 40 69 1 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 1 40 10 15 5 10 15 15 10 10 15 10 20 20 15 10 2 41 5 10 15 10 10 10 5 0 15 5 15 15 10 20 3 44 10 15 15 15 5 10 20 15 10 15 10 10 15 20 4 45 15 10 10 20 20 30 20 20 10 25 45 55 40 25 5 46 25 45 35 30 30 35 50 20 20 25 25 30 40 20 6 47 20 20 20 15 10 10 15 20 25 20 15 15 15 20 7 49 10 5 10 20 30 45 40 5 5 5 10 15 45 50 8 49 5 0 5 0 0 25 25 5 5 0 15 25 15 10 9 50 15 10 20 25 40 30 25 15 15 35 40 40 25 40 10 55 10 10 10 10 25 20 40 10 10 10 20 25 25 40 *,
9 18 1999 9 3 () (3) WECPNL85 90 40 69 2 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 11 57 25 30 40 40 45 65 70 25 25 30 35 45 50 45 12 57 30 45 70 80 90 90 95 40 40 60 70 70 70 75 13 60 5 15 20 25 35 15 40 5 10 20 20 20 45 35 14 62 55 30 30 20 40 60 90 25 30 40 45 70 70 75 15 64 20 25 20 40 55 45 65 10 10 30 45 50 55 70 16 66 30 30 70 90 80 70 80 30 25 40 65 65 55 75 17 66 30 40 40 45 55 60 70 55 60 40 50 55 70 80 18 66 30 45 40 45 50 55 70 30 40 45 65 70 70 75 19 67 35 30 30 40 65 65 75 40 30 35 40 70 80 90 20 68 55 55 60 75 90 90 95 55 50 40 60 75 85 95 21 68 25 10 25 20 50 45 25 15 10 25 55 60 45 25 22 68 45 60 50 70 60 80 70 20 35 35 45 50 70 70 23 68 35 55 45 55 65 50 60 40 45 60 70 65 45 75 24 69 40 30 55 95 100 100 95 40 20 15 50 65 75 85 25 42 10 10 10 10 10 15 10 10 25 5 0 5 0 10 26 43 35 35 30 25 25 60 45 45 50 45 35 40 40 55 27 43 25 20 15 15 15 15 25 15 15 15 15 15 20 30 28 44 15 15 20 15 15 25 25 15 15 20 10 10 25 20 29 44 25 15 20 15 15 10 25 20 15 10 15 10 10 50 30 45 10 15 10 15 10 15 10 15 10 15 10 10 5 15 31 45 20 15 10 10 15 25 45 15 15 10 10 25 40 45 32 46 15 15 20 15 15 20 15 20 15 20 10 15 10 25 33 47 10 5 10 5 5 0 30 15 10 10 5 5 10 35 34 49 45 50 55 65 65 70 85 40 55 60 60 60 65 75 35 50 20 25 30 35 30 40 30 25 30 30 35 40 30 45 36 52 30 30 50 55 50 60 70 30 35 60 60 65 90 90 37 52 25 25 15 20 20 25 60 30 20 25 30 35 35 55 38 54 20 20 25 15 30 30 30 20 15 20 30 30 55 55 39 54 15 20 25 25 35 35 35 15 20 25 30 40 45 40 40 54 15 15 35 10 10 5 20 15 15 25 25 5 10 30 41 55 10 10 20 15 20 30 25 15 15 10 20 15 35 50 42 55 35 25 35 40 50 40 60 60 40 40 65 75 80 60 43 56 65 50 60 45 40 25 50 20 15 35 25 25 20 15 44 56 20 30 25 20 30 25 30 20 30 30 25 30 25 25 45 56 25 25 30 30 25 30 35 25 20 25 30 35 45 35 46 58 25 20 15 10 20 15 20 10 10 5 5 10 20 20 47 59 15 15 20 30 25 15 20 15 15 20 25 20 15 20 48 59 30 30 35 30 35 50 60 35 30 40 40 35 50 55 49 60 25 20 30 25 25 20 40 25 20 25 20 20 15 30 50 61 20 15 30 25 35 40 50 20 20 40 30 30 25 20 51 61 15 15 20 20 15 15 15 10 15 20 20 20 20 20 52 62 50 50 70 75 75 75 85 50 60 70 80 85 80 85 53 62 20 25 25 15 15 25 45 35 25 30 25 30 40 35 54 65 30 15 10 25 30 35 45 20 10 15 35 30 30 55 55 66 20 25 20 20 55 60 60 25 25 30 25 30 50 75 56 68 40 40 55 60 55 65 70 40 30 35 50 45 60 65 57 68 10 10 25 15 20 20 45 20 15 30 20 25 30 45 58 68 40 35 50 55 55 75 90 35 45 40 35 45 60 45 59 69 25 20 15 15 20 45 45 25 20 15 15 20 40 70 *,
9 9 19 9 4 () (4) WECPNL85, 25 40 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 1 25 15 10 10 10 10 5 5 15 10 10 10 15 15 10 2 28 15 15 15 15 15 15 20 10 15 10 10 10 5 25 3 29 10 10 15 15 15 5 5 10 10 10 15 15 5 5 4 30 15 15 20 20 20 10 20 20 15 15 15 10 15 10 5 30 5 0 0 5 0 0 15 10 5 0 5 0 5 5 6 30 15 15 10 10 10 20 15 10 15 10 10 10 20 10 7 32 10 5 5 5 10 10 25 5 5 5 20 20 15 15 8 32 20 20 10 15 0 0 20 20 15 10 10 0 15 40 9 32 15 20 15 10 15 10 5 20 25 20 20 20 10 5 10 33 15 15 20 15 15 10 20 20 15 15 15 20 10 30 11 33 10 10 10 5 10 10 5 10 5 10 10 10 5 5 12 33 15 10 15 5 5 5 10 20 20 15 15 15 10 10 13 33 15 5 10 20 55 45 30 10 5 15 20 55 45 30 14 35 15 20 15 10 20 25 20 15 10 10 25 25 20 25 15 35 15 20 25 15 10 10 25 10 15 20 15 10 10 25 16 36 20 20 20 15 10 20 15 20 15 20 10 10 10 10 17 37 15 15 10 10 10 25 30 70 65 60 70 75 70 85 18 38 10 20 10 10 15 15 5 15 15 10 20 15 20 20 19 39 20 15 20 15 25 15 30 20 20 20 15 20 15 20 20 40 5 5 5 5 5 5 5 5 0 0 10 10 5 25 21 24 25 5 5 5 5 25 15 5 5 20 15 20 25 20 22 25 20 15 15 10 10 25 45 10 5 5 10 10 20 35 23 25 15 5 10 10 20 10 20 5 5 0 15 5 10 25 24 26 25 15 15 15 15 40 20 25 15 20 15 15 25 20 25 27 20 15 15 10 15 15 20 20 15 20 15 10 5 20 26 28 10 5 5 0 10 20 15 5 5 5 5 5 15 10 27 29 5 5 5 0 0 0 0 5 5 5 0 0 5 0 28 29 15 15 10 5 5 5 5 10 15 5 5 10 5 10 29 29 10 10 0 0 0 5 5 10 5 10 15 0 5 15 30 29 15 15 20 15 10 5 20 10 15 20 15 15 5 10 31 30 15 10 15 25 20 5 15 15 10 10 10 15 5 5 32 31 20 10 5 5 10 0 10 20 10 5 5 5 15 10 33 31 15 10 10 10 10 5 10 15 10 10 5 10 10 0 34 32 15 10 15 15 5 0 5 5 10 10 10 5 5 15 35 34 15 10 20 15 15 20 15 10 10 20 10 10 5 15 36 35 20 10 10 10 15 20 10 10 10 10 0 15 15 5 37 35 10 15 20 20 15 15 10 5 10 15 5 10 25 15 38 36 10 10 10 10 5 15 25 10 20 15 10 10 15 35 39 36 20 15 10 0 5 20 5 20 10 0 0 0 5 15 40 36 10 15 15 15 10 10 20 10 15 10 10 10 10 10 41 37 15 20 25 10 15 20 10 15 20 20 15 20 10 15 42 37 5 0 15 10 5 10 25 5 5 20 10 10 5 10 43 37 10 5 10 5 5 5 0 10 0 5 5 0 20 5 44 38 10 15 0 0 5 20 15 15 20 15 10 5 5 10 45 38 10 10 15 5 10 25 10 10 10 10 10 10 10 5 46 38 20 5 15 10 10 10 10 15 10 15 20 15 20 15 47 39 15 20 25 20 15 25 25 35 35 25 30 20 20 60 48 40 10 10 15 10 10 5 15 15 15 25 15 15 5 10 *,
9 20 1999 9 5 () (5) WECPNL90 95 25 40 (db) No. * 0.5k 1k 2k 3k 4k 6k 8k 0.5k 1k 2k 3k 4k 6k 8k 1 29 5 10 10 10 0 0 15 10 10 15 5 5 5 10 2 36 10 10 10 5 40 20 15 5 10 20 20 35 30 10 3 36 10 10 10 10 10 20 10 10 10 10 10 5 10 15 4 37 45 35 35 35 45 65 60 45 40 45 50 55 55 45 5 37 10 10 5 5 10 15 10 10 10 5 10 15 15 10 6 38 10 15 15 10 20 15 10 15 20 10 15 10 20 10 7 39 25 25 25 15 20 25 30 25 25 25 20 20 10 25 8 26 5 5 10 5 5 0 0 5 5 5 5 0 0 20 9 26 10 10 10 15 20 10 15 10 15 10 15 20 10 15 10 29 15 15 15 10 10 25 20 10 15 10 5 0 25 15 11 30 10 10 10 5 5 20 15 10 5 10 5 15 25 40 12 33 15 10 15 20 10 10 10 10 10 20 5 5 5 10 13 38 15 10 15 15 20 15 30 10 15 20 10 10 5 20 14 38 10 10 15 15 10 10 20 20 15 20 15 20 25 25 15 38 10 10 10 10 10 5 20 10 10 10 5 10 10 20 16 39 10 10 10 5 15 10 5 20 10 10 10 15 5 5 17 39 10 15 15 15 15 15 10 10 10 15 15 15 30 40 *,
9 9 21 1. I.I. 57 WECPNL 95 40 10 40 1 Tympanogram A Air-Bone gap 34 44 db dip 4 khz 1 khz; 4 khz; Audioscan audiometry: dip (3,748 Hz; 40 db, 4,087 Hz; 40 db) dip (4,000 Hz; 30 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 20 18 18 13 23 23 44 22 18 17 18 14 13 20 20 34 28 3 15 18 14 23 28 43 22 25 20 18 20 20 34 33 (b) (c) 9 1 1
9 22 1999 2. O.S. 47 WECPNL 90 19 Tympanogram A Air-Bone gap 53 55 db dip 4 khz (1 khz; 4 khz; ) Audioscanaudiometory: dip (3,118 Hz; 60 db) dip (3,708 Hz; 55 db, 4,222 Hz; 55 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 20 23 23 25 24 44 53 46 24 20 22 24 23 23 45 55 38 28 25 18 18 20 45 45 45 30 20 20 23 37 51 44 (b) (c) 9 2 2
9 9 23 3. M.S. 57 WECPNL 95 40 Tympanogram A Air-Bone gap 48 53 dip 4 khz 1 khz; 4 khz; Audioscanaudiometry: dip (3,084 Hz; 60 db, 4,655 Hz; 60 db) dip (3,186 Hz; 50 db, 4,268 Hz; 50 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 19 22 22 29 33 50 48 47 43 29 30 25 29 32 38 53 43 38 30 30 34 34 45 54 55 35 35 30 30 34 55 55 (b) (c) 9 3 3
9 24 1999 4. H.S. 52 WECPNL 95 39 Tympanobram A Air-Bone gap 29 51 db dip 4 khz (1 khz; 4 khz; - -) Audioscanaudiometry: dip (4,506 Hz; 40 db) dip (3,256 Hz; 55 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 19 20 18 9 10 29 29 18 23 19 19 17 10 20 50 51 33 27 23 9 10 18 25 20 25 19 14 9 20 43 40 35 (b) (c) 9 4 4
9 9 25 5. H.T. 48 WECPNL 95 32 7 Tympanogram A Air-Bone gap 60 db dip 4 khz 2 khz 6 khz 45 60 db (1 khz;,4 khz; ) Audioscanaudiometry: dip (4,457 Hz; 60 db), dip (3,550 Hz; 60 db, 4,409 Hz; 60 db, 5,131 Hz; 60 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 14 18 14 20 24 34 57 54 43 20 20 23 35 44 50 58 58 50 18 20 15 24 32 54 53 25 30 30 45 48 50 55 (b) (c) 9 5 5
9 26 1999 6. Y.K. 68 WECPNL 90 21 Tympanogram A Air-Bone gap 3 khz 8 khz 70 80 db (1 khz; 4 khz; ) Audioscanaudiometry: dip (4,555 Hz; 80 db) dip (3,512 Hz; 80 db, 5,187 Hz; 80 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 24 19 18 24 35 70 75 74 74 34 28 22 38 50 75 75 80 71 30 18 18 35 68 60 55 30 20 28 55 70 60 55 (b) (c) 9 6 6
9 9 27 7. I.K. 44 WECPNL 95 40 10 Tympanogram A Air-Bone gap 3 khz 8 khz 51 58 db (1 khz; 4 khz; ) Audioscanaudiometry: dip (2,828 Hz; 65 db; 4,967 Hz; 65 db) dip (2,767 Hz; 60 db, 3,221 Hz; 60 db, 3,668 Hz; 60 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 18 18 14 13 14 58 55 55 48 14 14 13 12 18 58 55 52 51 18 18 5 20 58 53 53 17 14 10 18 58 50 52 (b) (c) 9 7 7
9 28 1999 8. K.N. 59 WECPNL 95 35 56 2 3 2 3 Tympanogram A Air-Bone gap 2 khz 8 khz 48 74 db1 khz 8 khz 62 103 db 1 khz; -- 4 khz; Audioscanaudiometry dip (3,789 Hz; 80 db) dip (4,362 Hz; 100 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 19 23 30 33 48 60 68 74 74 28 37 45 62 62 77 95 103 100 32 40 30 53 55 54 55 40 44 53 67 70 60 55 (b) (c) 9 8 8
9 9 29 9. K.S. 63 WECPNL 90 95 38 1 2 A Air-Bone gap 63 65 db dip 4 khz 1 khz;, 4 khz; dip (3,363 Hz; 70 db,4,132 Hz; 70 db, 5,131 Hz; 70 db), dip (3,550 Hz; 65 db, 4,000 Hz; 65 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 25 34 30 27 30 40 65 53 29 28 33 35 33 43 55 63 48 19 47 33 25 23 30 45 45 45 44 35 43 50 50 53 (b) (c) 9 9 9
9 30 1999 10. K.S. 64 WECPNL 90 95 43 A Air-Bone gap 64 67 db dip 4 khz 1 khz;, 4 khz; dip (4,132 Hz; 65 db), dip (4,132 Hz; 70 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 20 19 10 13 23 35 67 42 30 20 15 8 25 29 63 64 54 49 10 8 18 23 23 43 38 14 8 12 24 38 45 55 (b) (c) 9 10 10
9 9 31 11. H.B. 68 WECPNL 85 90 40 10 A Air-Bone gap 46 52 db dip 4 khz 1 khz;, 4 khz; dip (4,132 Hz; 45 db), dip (4,506 Hz; 60 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 25 18 18 10 20 20 46 40 32 15 15 13 8 15 43 52 37 25 24 24 15 15 20 38 40 18 18 15 24 49 54 42 (b) (c) 9 11 11
9 32 1999 12. K.M. 33 WECPNL 90 95 33 15 A Air-Bone gap 47 55 db dip 4 khz 1 khz;, 4 khz; dip (3,512 Hz; 65 db), dip (3,914 Hz; 55 db) c 5 -dip (a) (Hz) 125 250 500 1,000 2,000 3,000 4,000 6,000 8,000 20 15 12 10 15 28 55 48 34 10 8 8 8 10 19 47 47 37 10 13 8 15 20 60 53 10 8 13 20 24 54 48 (b) (c) 9 12 12
9 9 33 (a) 50 (b) 50 (c) 90 (d) 90 9 13 ISO 7029-1984 (E) 5
9 34 1999 (a) 50 (b) 50 (c) 90 (d) 90 9 14 ISO 7029-1984 (E) 6
9 9 35 (a) 50 (b) 50 (c) 90 (d) 90 9 15 ISO 7029-1984 (E) 7
9 36 1999 (a) 50 (b) 50 (c) 90 (d) 90 9 16 ISO 7029-1984 (E) 8
9 9 37 9 17