Acoustics - Environmental noise characterization and measurement - Special measuring methods

1 Domaine d'application 5

2 Références normatives 6

3 Définitions 6

3.1 niveau de pression acoustique continu équivalent pondéré A, LAeq,T 6

3.2 niveau de pression acoustique continu équivalent pondéré A "court", LAeq,T 6

3.3 niveau acoustique fractile, LAN,Tau 7

3.4 intervalle de mesurage 7

3.5 intervalle d'observation 7

3.6 intervalle de référence 7

3.7 bruit ambiant 8

3.8 bruit particulier 8

3.9 bruit résiduel 8

3.10 bruit impulsionnel 8

3.11 émergence 8

3.12 tonalité marquée 8

3.13 chaîne de mesure 9

3.14 indice de pointe 9

3.15 facteur d'impulsionnalité 9

3.16 étalonnage 9

3.17 calibrage 9

3.18 autovérification 9

3.19 traçabilité 9

4 Principes méthodologiques 10

5 Méthode dite "de contrôle" 10

5.1 Appareillage de mesure 10

5.2 Conditions de mesurage 11

5.3 Conditions météorologiques 12

5.4 Indicateur d'émergence de niveau, E 13

5.5 Acquisition des données 13

6 Méthode dite "d'expertise" 14

6.1 Appareillage de mesure 14

6.2 Conditions de mesurage 15

6.3 Gammes de fréquences 16

6.4 Conditions météorologiques 17

6.5 Indicateurs 18

6.6 Acquisition des données 21

7 Rapport de mesurage 22

7.1 Contenu du rapport 22

7.2 Traçabilité 23

Annexe A (normative) Autovérification de l'appareillage 24

Annexe B (normative) Cahier des charges du contrôleur acoustique 42

Annexe C (informative) Fiche de vie 43

Annexe D (informative) Bibliographie 44

Annexe E (informative) Spécifications pour le choix des enregistreurs magnétiques ou magnéto-optiques 45

Annexe F (informative) Paramètres météorologiques 47

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