ASA S12.9 2013 Part3 R2018
$72.04
ANSI/ASA S12.9-2013/Part 3 (R2018) American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound, Part 3: Short-term Measurements with an Observer Present
| Published By | Publication Date | Number of Pages |
| ASA | 2013 | 44 |
None
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 13 | 1 Scope 2 Normative references |
| 14 | 3 Terms and definitions |
| 16 | 4 Instrumentation 4.1 Sound measuring instrument 4.2 Acoustical calibrator 4.3 Spectrum analyzer 4.4 Recording equipment 4.5 Windscreen |
| 17 | 4.6 Meteorological equipment 5 General data collection concepts 5.1 Introduction 5.2 Background sound |
| 18 | 5.3 General data collection methods for measurement of the LEQ of a source corrected for the continuous LEQ of the background and for transient background sound 6 Source(s) data collection 6.1 Site selection |
| 19 | 6.2 Instrument setup 6.3 Measurement site operation and checking instrument sensitivity |
| 20 | 6.4 Initial data collection 6.5 Simplified procedure 1 for the accelerated measurement of equivalent-continuous sound pressure level |
| 22 | 6.6 Simplified procedure 2 for the accelerated measurement of equivalent-continuous sound pressure level |
| 23 | 6.7 Basic procedure for measurement of equivalent-continuous sound pressure level |
| 25 | 6.8 Minimum data collection requirements for basic measurement data collection |
| 26 | 6.9 Correction for continuous background sound |
| 27 | 7 Determining the background sound 7.1 Introduction 7.2 Background sound measurement method 7.3 Background sound measurement alternatives for sources that can be turned off |
| 29 | 7.4 Background sound measurement alternatives for sources that cannot be turned off |
| 30 | 8 Data to be reported 8.1 Source data |
| 31 | 8.2 Background sound |
| 32 | 8.3 General site and procedural information |
| 33 | Annex A (informative) Source and receiver sound |
| 34 | Annex B (informative) Determination of the presence of prominent discrete tones B.1 Test for the presence of a prominent discrete tone B.2 Determination of the presence of a prominent discrete tone |
| 36 | ii Annex C (informative) Table look-up method to determine the continuous background sound level |
| 42 | Bibliography |
