C.3. Specification of SV 977D as 1/1 octave and 1/3 octave analyser 282
C.3.1 Specification of SV 977D as 1/1 and 1/3 octave analyser in the standard configuration
for sound measurements 282
C.3.1 Specification of SV 977D as 1/1 and 1/3 octave analyser in the standard configuration
for vibration measurements 289
C.3.2 1/1 and 1/3 octave filters characteristics 294
C.4. Frequency characteristics of the implemented broadband digital filters 309
C.5. Miscellaneous specification of SV 977D 316
C.6. Specification of SV 80 accelerometer 323
C.7. Using the SA 277D outdoor microphone kit 324
C.8. EU Declaration of Conformity 350
APPENDIX D. DEFINITIONS AND FORMULAE OF MEASURED VALUES 351
D.1. Sound Level Meter 351
D.1.1 Basic terms and definitions (SLM mode) 351
D.1.2 Definitions and formulas of SLM results 352
D.2. Vibration Level Meter 355
D.2.1 Basic terms and definitions (VLM mode) 355
D.2.2 Definitions and formulas of the VLM result 355
D.3. Statistical levels – Ln definition 356
APPENDIX E. REVERBERATION TIME CALCULATIONS 358
E.1. Introduction 358
E.2. Definitions and calculation of RT 60 reverberation time 359
E.3. Description of decay curve recording in different measurement methods 361
APPENDIX F. OBJECTIVE METHOD FOR ASSESSING THE AUDIBILITY OF TONES IN NOISE –
ENGINEERING METHOD (according to ISO/PAS 20065:2016(E)) 364
F.1. Introduction 364
F.2. Objective method 364
F.2.1. General 364
F.2.2. Frequency analysis 364
F.2.3. Determination of prominent tones 365
F.2.4. Grouping the tones 368
F.2.5. Calculation of the mean audibility, ΔL, and the extended uncertainty, U, of a number of
spectra 368
F.2.5. The tone adjustment 369
F.3 Documentation 369
F.4 Examples 370
APPENDIX G. SA 277D OUTDOOR MICROPHONE KIT ASSEMBLY GUIDE 372
G.1. Part Set 372
G.2. Assembly of SA 277D 374
G.3. Important notes 380
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