ДСТУ EN ISO 11546-1:2014 Акустика. Определение звукоизоляционных характеристик оболочек. Часть 1. Измерение в лабораторных условиях (для декларации) (EN ISO 11546-1:2009, IDT)

ДСТУ EN ISO 11546-1:2014
(EN ISO 11546-1:2009, IDT)

Акустика. Визначення звукоізоляційних характеристик оболонок.
Частина 1. Вимірювання в лабораторних умовах (для декларації)

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Definitions

3.1 А-weighting

3.2 Enclosure

3.3 Sound pressure level, L_p

3.4 Average sound pressure level, L_p

3.5 Sound power level, L_w

3.6 Average sound power level, L_w

3.7 Sound power insulation, D_w

3.8 А-weighted sound power insulation, D_WA

3.9 Sound pressure insulation, D_p

3.10 А-weighted sound pressure insulation, D_pA

3.11 Sound pressure insulation (reciprocity method), D_pr

3.12 Estimated noise insulation due to the en closure, D_wA,е, D_pA,e or D_prA,e

3.13 Weighted sound pressure insulation (reciprocity method), D_px,w

3.14 Weighted sound power insulation, D_W,w

3.15 Fill ratio, φ

3.16 Leak ratio, θ

4 Choice of measurement method

5 Instrumentation

6 Test methods applicable to enclosures with the actual sound source

6.1 General

6.2 Determination of sound power insulation

6.3 Determination of sound pressure insulation at a specified position

7 Test methods applicable to enclosures without the actual sound source

7.1 General

7.2 Reciprocity method

7.3 Artificial sound source method

7.4 Weighted sound power insulation and sound pressure insulation (reciprocity method)

7.5 Estimated noise insulation due to the enclosure for a specific noise spectrum

8 Uncertainty

9 Information to be recorded

9.1 Test object

9.2 Test conditions

9.3 Instrumentation

9.4 Acoustical data

9.5 Further information

10 Information to be reported

Annex A (normative) Artificial sound source

Annex В (informative) Example of a source spectrum

Annex C (informative) Estimated noise insulation due to the enclosure for a specific noise spectrum

Annex D (informative) Bibliography