4 Ì+

1 130-0026 2-10-8 3F 0120-312-507 2018 4 P. P. 25dBHL 40dBHL 40dBHL 70dBHL 70dBHL 90dBHL 90dBHL (dBHL)3025405060708090100125125250250500 50010001000200020004000400080008000 HzHz20 30 40 50 60 70 80 ISO 7029.

2 2017 Acoustics Statistical distribution of hearing thresholds as a function of age and gender010-102030405060708090100110dBHL-2 0120 1 .. 45 1 2 3

3 4 67 ND-CXD ITC 16 4 90dB 685,000 365,000 725,000 385,000 ND-CX4 ITC 16 4 90dB 3 715,000 380,000 ND-CX3 CIC 16 4 80dB 3 3 2 AFBC NR PNS 50.

4 000 NR-P1 3 Bluetooth 89 4 218,000 /% $ /3 *5$ 10 4 90dB 2 4 218,000 /% $ /3 $*$ 10 4 80dB 2 SSS SSS AFBC NR PNS 2 1011 180,000 98,000 ND-CF 70dB 1 335,000 180.

5 000 ND-C8P 6 4 110dB 2 2 AFBC NR PNS 1 AFBC NR ND-CF NEF-02 NEF-07 ND-F2 NEF-P1 NDP-11H ND-B1LT ND-BRT ND-B7T NEF-P1 NDP-11H 1 ND-C7NR ND-C8NR ND-C8P ND-BR1 ND-B4 2 3 ND-CX3 ND-CX4 ND-CXD 120 1 6 1 NEF-02 NEF-P1 1213 NEF-07 60dB 1 ND-F2 70dB 70,000 1 NEF-02 50dB 1 75,000 45.

6 000 1415 RIC ND-BRT 65dB 59,000 1 ND-B1LT 70dB 58,000 1 ND-B7T 90dB 88,000 1 ND-B46 2 90dB 98,000 2 148,000 ND-BR16 4 70dB SSS 2 1617 25,000 5.

7 000 NEF-P1 50dB 1 N H NDP-11H 70dB 39,800 N H 1 4 1819 10 2,600 10 1,100 5 1,050 5 1,050 900 S ND-B4 ND-B1LT ND-B7 5 1,575 2 630 S S 2 630 2 800 NEF-02 NEF-07 ND-F2 NEF-02 NEF-07 ND-F2 10 1,200 9 10 420 7 CIC 10 1,000 SS 1,000 G 20 400 G 1,000 ND-BRT ND-BR1 S MS M 2 630 ND-BRT ND-BR1 S MS M 2 630 ND-BR1 2 S 3 M 4 L 10.

8 000 EX ND-BRT ND-BR1 2 S 3 M 4 L 10,000 RIC NEF-P1 NEF-P1 6,000 2 800 NDP-11H NDP-11H 2,800 3,000 2021 JIS C 5512 2015 2cm3 ND-CX3ND-CX4ND-CXDND-C7 NRND-C8 NRND-C8 PND-CFNEF-07ND-F2 NEF-02ND-BR1ND-BRTND-B4ND-B1 LTND-B7 TNEF-P1 NDP-11 HNHE-01999111112131415151616171717181819 25~85*2/25~80*125~9025~9025~8025~9050~11 025~7025~6025~7025~5025~70*8/25~85*925~6 525~9025~7025~9025~5025~70 90~110 150~190 150~190 105~155 160~235 310 370 170 180 180 330 235*8/ 190*9 165 310*6/ 325*7 370*6*7 290*6/ 310*7

9 44*2/37*148*3/42*248*3/43*241*2/36*147*3 /43*258*5/54*43531352438*8/41*93056*6/42 *746*6/31*754*6/39*725392450*2/44*154*3/ 49*255*3/50*246*2/41*151*3/52*265*5/61*4 3836412842*8/45*93563*6/60*751*6/42*759* 6/50*7314138112*2/106*1115*3/111*2115*3/ 112*2107*2/103*1117*3/110*2126*5/124*410 9103109105104*8/113*9101127*6/111*7119*6 /105*7124*6/111*7110125106115*2/110*1120 *3/117*2120*3/118*2112*2/107*1119*3/117* 2132*5/130*4113107113106110*8/116*910613 1*6/128*7124*6/117*7129*6/123*7116127120 89 87*6/72*7 224 AABZX00002A03224 AABZX00030A03224 AABZX00003A03223 AABZX00067A03224 AABZX00189A02225 AABZX00096A01226 AABZX00109000229 AABZX00081000225 AABZX00016A0122000 BZX00232000225 AABZX00098A02226 AABZX00135A01223 AABZX00133A01223 AABZX00137000223 AABZX00094A01224 AGBZX00078A01224 AGBZX00079A01 HFA 5 B +3dB 90dB dB HFA 4dB 90dB dB +3dB dB 6dB *1 *2 *3 *4 *5 *6 *7 S *8 EX *9 2223 130-0026 2-10-8 3F 0120-312-507 2018 4