ASA S12.9 1992 Part2 R2018
$59.58
ANSI/ASA S12.9-1992/Part 2 (R2018) American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound, Part 2: Measurement of Long-Term, Wide-Area Sound
| Published By | Publication Date | Number of Pages |
| ASA | 1992 | 30 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | CONTENTS |
| 9 | 1 SCOPE …………………………………………………………………………………………………………………………… . 2 PURPOSE ………………………………………………………………………………………………………………………. . 3 APPLICATIONS ……………………………………………………………………………………………………………… . 4 REFERENCES TO OTHER STANDARDS ……………………………………………………………………………. . 5 DEFINITIONS 5 .1 Spatial Sampling 5.1.1 deterministic spatial sampling 5 .1 .2 systematic spatial sampling 5 .1 .3 random spatial sampling 5.1.4 stratified spatial sampling 5.1.5 multi-stage spatial sampling 5.1.6 cluster spatial sampling 5.2 Survey Area 5.2.1 macro survey area 5.2.2 micro survey area 5.3 Noise Zone 9. 7 Class C Measurements ………………………………………………………………………………………………… 1 |
| 10 | 5.3.1 airport noise zone 5.3.2 railroad noise zone 5.3.3 roadway noise zone 5.3.4 commercial-industrial noise zone 5.3.5 stationary source noise zone 5.3.6 residential noise zone |
| 11 | 5.4 Other Spatial Noise Zones 5 .4.1 enclave noise zone 5.4.2 district noise zone 5.5 Measurement Site and Microphone Location 5.5.1 measurement site 5.5.2 microphone location 5.6 Autocorrelation 5.6.1 autocorrelation function 5.6.2 time lag 5.7 Accuracy 5.7.1 class A survey 5.7.2 class B survey 5.7.3 class C survey 6 DATA ACQUISITION FOR LONG-TERM, WIDE-AREA SOUND LEVELS 6.1 General 6.2 Acoustical Instrumentation Selection, Operation, and Calibration 6.2.1 Sound Level Meters V vi CONTENTS 6.2.2 Calibration |
| 12 | 6.2.3 Windscreens 6.3 Meteorological Instrumentation and Measurements 7 PROCEDURES FOR MEASURING AND MONITORING ENVIRONMENTAL SOUND 7. 1 General 7. 2 Measurement of Total Ambient Sound Level versus Sound Level from Specific Sources |
| 13 | 7 .3 Specific Source Measurements 7 .3. 1 Unmanned versus manned measurements 7.3.2 Time correlations 7.4 Microphone Locations 7.4. 1 Vertical microphone placement 7 .4.2 Horizontal microphone placement |
| 14 | 8 SPATIAL SAMPLING REQUIREMENTS 8. 1 General 8.2 Measurement Sites 8.2.1 Built-up areas 8.2.2 Roadway noise zones 8.2.3 Railroad and limited-access highway noise zones 8.2.4 Airport noise zones 8.3 Spatial Sample Determination 8.3. 1 Procedural method 8.3 .2 Iterative method D.1 General …………………………………………………………………………………………………………………….. 1 |
| 15 | 8.4 Data Presentation 9 TEMPORAL SAMPLING REQUIREMENTS 9. 1 General 9.2 Confidence Interval 9.3 Accuracy Requirements 9.4 Data Dependence 9.4.1 Inferred independence 9.4.2 Tested independence |
| 16 | 9.4.3 Correction for nonindependent data 9.5 Class A Measurements 9.5. 1 Computation of temporal sampling requirements |
| 18 | 9.5.2 Estimation of temporal sampling requirements |
| 19 | 9.5.3 Approximation of sampling requirements 9.6 Class B Measurements APPENDIX A: REFERENCES APPENDIX B: DATA INDEPENDENCE OR DEPENDENCE; CONTRIBUTING FACTORS B.1 Independent Data |
| 20 | B.2 Dependent Data B.3 Weather Effects B.4 Source Operational Effects B.5 Combined Effects |
| 21 | APPENDIX C: TESTING FOR INDEPENDENCE |
| 24 | APPENDIX D: SAMPLE APPLICATION OF THE KOLMOGOROV-SMIRNOV TEST FOR NORMALITY OF DATA |
| 25 | D.2 Step-by-Step Analysis D.3 Results |
