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ABSOLUTE SUBJECTIVE RESPONSE TEST
IMPACT OF NOISE PARAMETERS ON DESIGN AND OPERATION
PSYCHOLOGICAL FACTORS IN ANNOYANCE
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Absolute Subjective Testing Acoustical Data Presented ADDED NOISE aircraft noise aircraft operations ambient noise Annoying Annoying Annoying APPENDIX B TABLE APPENDIX F arithmetic mean background noise Boeing Vertol Company Boeing-Vertol comparison sounds Correlation of Subjective CTOL degree of annoyance Effect of Flight Effective Perceived Noise environmental noise EPNL female FIGURE flights per hour FLIGHTS/HR H Eh hear Helicopter Level high repetitive density Highway Hinterkeuser Hover indicated instructions Jerry Davis jet overhead loud aircraft sounds male NASA noise evaluations noise event noise exposure Noise Pollution Level Noise Rating Non-Noise OCTAVE BAND PAIRED COMPARISON TEST passenger Peak Perceived Noise Level person PNdB Presented to Test Psychoacoust Sikorsky Aircraft SOUND PRESSURE LEVEL subjective evaluation Subjective Ratings subjects reported tandem rotor television temporal test program test session test sound test subjects Tilt Wing traffic noise trailer Turbofan Level Turbofan STOL Level types V/STOL VTOL aircraft