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International
Standard
ISO 7029
Third edition
Acoustics — Statistical distribution
2017-01
of hearing thresholds related to age
and gender
AMENDMENT 1
2024-03
AMENDMENT 1: Correction of
parameter values for estimating the
hearing threshold distribution
Acoustique — Distribution statistique des seuils d'audition en
fonction de l'âge et du sexe
AMENDEMENT 1: Correction des valeurs des paramètres pour
l’estimation de la distribution des seuils d’audition
Reference number
ISO 7029:2017/Amd.1:2024(en) © ISO 2024
ISO 7029:2017/Amd.1:2024(en)
© ISO 2024
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ii
ISO 7029:2017/Amd.1:2024(en)
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iii
ISO 7029:2017/Amd.1:2024(en)
Acoustics — Statistical distribution of hearing thresholds
related to age and gender
AMENDMENT 1: Correction of parameter values for estimating the
hearing threshold distribution
4.3, Tables 2 to 5
Replace them with the tables below, respectively:
Table 2 — Values of γ (n = 0, 1, 2, ., 5) in Formula (2) for males
n,su
Frequency
γ γ γ γ γ γ
0,su 1,su 2,su 3,su 4,su 5,su
Hz
–1 –2 –3 –5 –7
125 4,629 6,447 × 10 –8,849 × 10 3,691 × 10 –5,976 × 10 3,394 × 10
–1 –2 –3 –5 –7
250 5,267 7,097 × 10 –9,128 × 10 3,637 × 10 –5,741 × 10 3,218 × 10
–1 –2 –3 –5 –7
500 4,981 7,507 × 10 –9,202 × 10 3,677 × 10 –5,836 × 10 3,281 × 10
–1 –2 –3 –5 –7
750 4,651 7,329 × 10 –8,814 × 10 3,590 × 10 –5,760 × 10 3,241 × 10
–1 –2 –3 –5 –7
1 000 4,420 7,140 × 10 –8,541 × 10 3,569 × 10 –5,816 × 10 3,286 × 10
–1 –2 –3 –5 –7
1 500 4,144 6,787 × 10 –8,044 × 10 3,518 × 10 –5,886 × 10 3,347 × 10
–1 –2 –3 –5 –7
2 000 4,098 6,318 × 10 –7,534 × 10 3,457 × 10 –5,937 × 10 3,401 × 10
–1 –2 –3 –5 –7
3 000 4,295 5,302 × 10 –6,283 × 10 3,090 ×
...