Aircraft Flyover Simulation
Audio and video files associated with the publications below –
- Remotely Administered Psychoacoustic Test for sUAS Noise to Gauge Feasibility of Remote UAM Noise Study, Siddhartha Krishnamurthy, Stephen Rizzi, Ryan Biziorek, Joseph Czech, Jeffrey Berg, Dillon Tannler, Devin Bean, Arman Ayrapetyan, Andrew Nguyen and Jonathan Wivagg, SAE Noise and Vibration Conference 2023, Paper 1106, Grand Rapids, MI, 2023.
Audio and Video Package: A .zip file containing test stimuli audio files and test video files.
- Characterization of Urban Air Mobility Vehicle Operational Noise and Community Noise Impact, Stephen A. Rizzi, Le Transport Urbain de Passagers par Aéronefs Electriques (Urban Transportation of Passengers by e-VTOL), Paris, France, 21-22 September 2022.
Sound Package: A .zip file containing sound files on slide 12
- Rotorcraft Sound Quality Metric Test 1: Stimuli Generation and Supplemental Analyses, Siddhartha Krishnamurthy, Matthew A. Boucher, Andrew W. Christian, and Stephen A. Rizzi, NASA/TM-20205008997, September 2021.
Sound and Subject Response Package: A .zip file containing test stimuli and test subject responses
- A Synthesis Plugin for Auralization of Rotor Self Noise, Siddhartha Krishnamurthy, Aric R. Aumann, and Stephen A. Rizzi, AIAA AVIATION 2021, AIAA-2021-2211, Virtual Event, 2-6 August 2021. https://doi.org/10.2514/6.2021-2211
Sound Package: A .zip file containing an index and sounds in the paper
- Comparison of Two Community Noise Models Applied to a NASA Urban Air Mobility Concept Vehicle, Stephen A. Rizzi, Juliet A. Page, and Rui Cheng, InterNoise 2021, Virtual Event, 1-5 August 2021. https://doi.org/10.3397/IN-2021-1650
AAM Movies: A PowerPoint file containing movies generated by the Volpe Advanced Acoustic Model
- Prediction-Based Auralization of a Multirotor Urban Air Mobility Vehicle, Siddhartha Krishnamurthy, Stephen A. Rizzi, Rui Cheng, D. Douglas Boyd, Jr., and Andrew Christian, AIAA SciTech 2021, AIAA-2021-0587, Virtual Event, 11-15 & 19-21 January 2021. https://doi.org/10.2514/6.2021-0587
Sound Package: A .zip file containing an index and sounds in the paper
- Prediction-Based Auralization of the RVLT Quadrotor Reference Vehicle, Siddhartha Krishnamurthy, Urban Air Mobility Noise Working Group Meeting, Virtual Event, 5 November 2020.
Sound Package: A .zip file containing the presentation and scaled sound files in the presentation
- Curved Ray Propagation Kernel – Theory and Implementation in NAF and ANOPP2, Stephanie Heath and Leonard Lopes, NASA Acoustics Technical Working Group Meeting, Virtual Event, 3 November 2020.
Sound Package: A .zip file containing the presentation and scaled sound files in the presentation
- A Perceptual Evaluation of the Efficacy of Sound Exposure Level in the Rating of Annoyance to Helicopter Noise, Matthew A. Boucher, Andrew W. Christian, Siddhartha Krishnamurthy, Stephen A. Rizzi, 76th VFS Forum, Paper 105, Virtual Event, 6-8 October 2020.
Sound Package: A .zip file containing an index and sounds in the paper
- A Comparison of Aircraft Flyover Auralizations by the Aircraft Noise Simulation Working Group, Stephen A. Rizzi, Ingrid LeGriffon, Reto Pieren, and Lothar Bertsch, AIAA AVIATION 2020, AIAA-2020-2582, Virtual Event, 15-19 June 2020. https://doi.org/10.2514/6.2020-2582
Sound Package: A .zip file containing an index and sounds in the paper
Video Presentation: An .mp4 file of the presentation
- A Synthesis Plug-in for Steady and Unsteady Loading and Thickness Noise Auralization, Siddhartha Krishnamurthy, Brian C. Tuttle, and Stephen A. Rizzi, AIAA AVIATION 2020, AIAA-2020-2597, Virtual Event, 15-19 June 2020. https://doi.org/10.2514/6.2020-2597
Sound Package: A .zip file containing an index and sounds in the paper
Video Presentation: An .mp4 file of the presentation
- Auralization of a Supersonic Business Jet Using Advanced Takeoff Procedures, Stephen A. Rizzi, Jeffrey J. Berton, and Brian C. Tuttle, AIAA SciTech 2020, AIAA-2020-0266, Orlando, FL, USA, 6-10 January 2020. https://doi.org/10.2514/6.2020-0266
Sound Package: A .zip file containing an index and sounds in the paper
- On the use of Acoustic Wind Tunnel Data for the Simulation of sUAS Flyover Noise, Stephen A. Rizzi, Nikolas S. Zawodny, and Nicole A. Pettingill, 25th AIAA/CEAS Aeroacoustics Conference, AIAA-2019-2630, Delft, NL, 20-23 May 2019. https://doi.org/10.2514/6.2019-2630
Sound Package: A .zip file containing an index and sounds in the paper
- Auralization of Unsteady Rotor Noise using a Solution to the Ffowcs Willaims-Hawkings Equation, Siddhartha Krishnamurthy, Brian C. Tuttle, and Stephen A. Rizzi, 75th VFS Forum, Paper 48, Philadelphia, PA, USA, 13-16 May 2019.
Sound Package: A .zip file containing an index and sounds in the paper
- Regarding the Perceptual Significance and Characterization of Broadband Components of Helicopter Source Noise, Andrew Christian, Jarrett Caston, Eric Greenwood, 75th VFS Forum, Paper 83, Philadelphia, PA, USA, 13-16 May 2019.
Sound Package: A .zip file of all sounds mentioned in the paper (see Appendix A)
Presentation: A .zip file containing a presentation for the paper, with accompanying sounds. This distribution contains contrived sounds that demonstrate the various aural sensations mentioned in the paper (e.g., roughness)
- Auralization of Amplitude Modulated Helicopter Flyover Noise, Siddhartha Krishnamurthy and Stephen A. Rizzi, AIAA SciTech 2019, AIAA-2019-2087, San Diego, CA, USA, 7-11 January 2019. https://doi.org/10.2514/6.2019-2087
Audio 1: Original recorded flyover of AS350 helicopter (Figure 2, Black Trace)
Audio 2: Original de-Dopplerized recording of segment 1 of 15 (Figures 6 and 7, Black Trace)
Audio 3: Reconstruction of segment 1 of 15 of de-Dopplerized signal without subtracting harmonics from original data as they are estimated (Figure 6, Blue Trace)
Audio 4: Reconstruction of segment 1 of 15 of de-Dopplerized signal with subtracting harmonics from original data as they are estimated (Figure 7, Blue Trace)
Audio 5: Reconstruction of segment 1 of 15 of de-Dopplerized signal with amplitude modulation model (Figure 14, Orange Trace)
Audio 6: Reconstruction of segment 1 of 15 of de-Dopplerized signal with amplitude modulation model but no phase modulation data (Figure 14, Green Trace)
Audio 7: Auralization of AS350 flyover without phase modulation synthesized from 15 equal angle segments of de-Dopplerized recording (Figure 18, Blue Trace)
Audio 8: Auralization of AS350 flyover without phase modulation synthesized from 30 equal angle segments of de-Dopplerized recording (Figure 21, Blue Trace)
Audio 9: Auralization of AS350 flyover without phase modulation synthesized from 26 equal time segments of de-Dopplerized recording (Figure 23, Blue Trace)
- Auralization of an Unmanned Aerial Vehicle under Propeller Phase Control, Kyle A. Pascioni, Stephen A. Rizzi, and Aric R. Aumann, InterNoise 2018, Paper 1353, Chicago, IL, USA, 26-29 August 2018.
Audio 1: Auralization on ground with phase control (Fig 6b)
Audio 2: Auralization on ground, all props in phase (Fig 6b)
Audio 3: Auralization at 1.2m observer with phase control (Fig 7)
- Receiver-Based Auralization of Broadband Aircraft Flyover Noise using the NASA Auralization Framework, Aric R. Aumann, Stephen A. Rizzi, and Stephanie L. Heath, InterNoise 2018, Paper 1352, Chicago, IL, USA, 26-29 August 2018.
Use case 1: Receiver simulation and auralization in free space
Use case 2: Receiver simulation in free space, auralization above half space
Use case 3: Receiver simulation on hard ground, auralization above half space
- Auralization of Rotorcraft Periodic Flyover Noise from Design Predictions, Siddhartha Krishnamurthy, Stephen A. Rizzi, D. Douglas Boyd, Jr., and Aric R. Aumann, 74th AHS Forum, Paper 166, Phoenix, AZ, USA, 14-17 May 2018.
Audio 1: Synthesized source sound from 1/2 deg data
Audio 2: Synthesized source sound from 5 deg data
Audio 3: Synthesized source sound from 10 deg data
Audio 4: Auralized ground observer – baseline case
Audio 5: Auralized ground observer – EPNL optimized
Audio 6: Auralized ground observer – SEL optimized
- A Recording-Based Method for Auralization of Rotorcraft Flyover Noise, Nicholas M. Pera, Stephen A. Rizzi, Siddhartha Krishnamurthy, Christopher R. Fuller, and Andrew Christian, AIAA SciTech 2018, AIAA-2019-0267, Kissimmee, FL, USA, 8-12 Jan 2018. https://doi.org/10.2514/6.2018-0267
Audio 1: Recorded flyover
Audio 2: De-Dopplerized signal (segment 2)
Audio 3: Reconstructed signal with modulation
Audio 4: Reconstructed signal without modulation
Audio 5: Reconstructed signal with modeled amplitude modulation
Audio 6: Synthesized source noise for straight and level flyover
Audio 7: Auralized flyover (ground observer)
Audio 8: Auralized flyover (1.2m observer over grass)
- NASA’s Acoustic Modeling and Simulation Tools for Perception-Influenced Design of Urban eVTOL Systems, Stephen A. Rizzi, Uber Elevate Summit, Dallas, TX, 25-27 April, 2017.
Video 1: Multi-Rotor City Scenario
Video 2: Multi-Rotor Park Scenario
Audio 1: Multi-Rotor sound without background
Video 3: Tilt-Wing City Scenario
Video 4: Tilt-Wing Park Scenario
Audio 2: Tilt-Wing sound without background
- Auralization of NASA N+2 Aircraft Concepts from System Noise Predictions, Stephen A. Rizzi, Casey L. Burley, and Russell H. Thomas, 22nd AIAA/CEAS Aeroacoustics Conference, AIAA-2016-2906, Lyon, France, 30 May – 1 June 2016. https://doi.org/10.2514/6.2016-2906
- A Psychoacoustic Evaluation of Noise Signatures from Advanced Civil Transport Aircraft Concepts, Stephen A. Rizzi and Andrew Christian, 22nd AIAA/CEAS Aeroacoustics Conference, AIAA-2016-2907, Lyon, France, 30 May – 1 June 2016. https://doi.org/10.2514/6.2016-2907
Video 1: Large twin-aisle reference aircraft on approach (ID 1)
Video 2: HWB301-GTF-ITD reference aircraft on approach (ID 22)
Video 3: Large twin-aisle reference aircraft on sideline (ID 2)
Video 4: HWB301-GTF-ITD reference aircraft on sideline (ID 24)
- Initial Development of a Quadcopter Simulation Environment for Auralization, Andrew Christian and Joseph Lawrence, 72nd AHS Forum, Paper 98, West Palm Beach, FL, USA, 17-19 May 2016.
Audio 1: Recorded quadcopter flyover (Fig 1)
Audio 2: Auralization of basic simulation output (Fig 2)
Audio 3: Auralization with only body drag included (Fig 4)
Audio 4: Auralization with body and rotor drag included (Fig 5)
Audio 5: Auralization with drag effects and turbulence included (Fig 6)
Audio 6: Auralization with drag, turbulence, and “error” included (Fig 7)
- Auralization of Tonal Rotor Noise Components of a Quadcopter Flyover, Andrew Christian, D. Douglas Boyd, Jr., Nikolas S. Zawodny, and Stephen A. Rizzi, InterNoise 2015, San Francisco, CA, USA, 9-12 August 2015.
Audio 1: Recorded quadcopter flyover in outdoor environment (Fig 1b)
Audio 2: Auralization without RPM modulation (precursor to Fig 8)
Audio 3: Auralization with RPM modulation (precursor to Fig 8)
- A Method for Simulation of Rotorcraft Fly-In Noise for Human Response Studies, Stephen A. Rizzi and Andrew Christian, InterNoise 2015, San Francisco, CA, USA, 9-12 August 2015.
Audio 1: Synthesized pressure time history (Fig 8)
Audio 2: Propagated signal at 6.4km. Interleaved ground impedance (grass/roadside dirt/old dirt road/new asphalt/rigid/grass/roadside dirt/old dirt road/new asphalt/rigid) (Fig 13)
Audio 3: Propagated signal at 1.6 km. Interleaved ground impedance (grass/roadside dirt/old dirt road/new asphalt/rigid/grass/roadside dirt/old dirt road/new asphalt/rigid) (Fig 13)
- Aural Effects of Distributed Propulsion, Daniel L. Palumbo, Douglas M. Nark, Casey L. Burley, and Stephen A. Rizzi, 14th AIAA Aviation Technology, Integration, and Operations Conference, (Oral Presentation), Atlanta, GA, USA, 16-20 June 2014.
- Auralization of Flyover Noise from Open Rotor Engines Using Model Scale Test Data, Stephen A. Rizzi, David B. Stephens, Jeffrey J. Berton, Dale E. Van Zante, John P. Wojno, and Trevor W. Goerig, 20th AIAA/CEAS Aeroacoustics Conference, AIAA-2014-2750, Atlanta, GA, USA, 16-20 June 2014. https://doi.org/10.2514/6.2014-2750
Synthesis Validation (Model Scale) (Figs 5-7)
Audio.S1: Sum of separately synthesized broadband and tonal noise
Audio.S2: Measured data for reading 361 at stop 1
Audio.S3: Broadband-only synthesis
Effect of Thrust (Figs 8-12)
Audio.S4: Flyover noise associated with reading 359
Audio.S5: Flyover noise associated with reading 361
Audio.S6: Interleave between Audio.S4 and Audio.S5
Effect of Propulsor Installation (Figs 13-16)<
Audio.S7: Flyover noise associated with reading 470
Audio.S8: Interleave between Audio.S4 and Audio.S7
Effect of Rotor Inflow Angle (Figs 17-22)
Audio.S9: Flyover noise associated with reading 480
Audio.S10: Flyover noise associated with reading 488
Audio.S11: Interleave between Audio.S7, Audio.S9 and Audio.S10
Effect of Ground Plane Reflections (Figs 23-24)
Audio.S12: Flyover noise associated with reading 361 with ground
Audio.S13: Interleave between Audio.S5 and Audio.S12
- Auralization of Hybrid Wing Body Aircraft Flyover Noise from System Noise Predictions, Stephen A. Rizzi, Aric R. Aumann, Leonard V. Lopes, and Casey L. Burley, 51st AIAA Aerospace Sciences Meeting, AIAA-2013-0542, Grapevine, TX, USA, 7-10 January 2013. https://doi.org/10.2514/6.2013-542
SOA Approach Condition (Fig 17a)
Web Clip 1: Pseudo-recording at centerline observer
Web Clip 2: Movie at centerline observer
Web Clip 3: Pseudo-recording at sideline observer (bonus)
Web Clip 4: Movie at sideline observer (bonus)
SOA Sideline Condition (Fig 17b)
Web Clip 5:Pseudo-recording at centerline observer
Web Clip 6: Movie at centerline observer
Web Clip 7:Pseudo-recording at sideline observer (bonus)
Web Clip 8: Movie at sideline observer (bonus)
SOA Cutback Condition (Fig 17c)
Web Clip 9: Pseudo-recording at centerline observer
Web Clip 10: Movie at centerline observer
Web Clip 11: Pseudo-recording at sideline observer (bonus)
Web Clip 12: Movie at sideline observer (bonus)
HWB C11 Approach Condition (Fig 17d)
Web Clip 13: Pseudo-recording at centerline observer
Web Clip 14: >Movie at centerline observer
Web Clip 15: Pseudo-recording at sideline observer (bonus)
Web Clip 16: Movie at sideline observer (bonus)
HWB C11 Sideline Condition (Fig 17e)
Web Clip 17: >Pseudo-recording at centerline observer
Web Clip 18: Movie at centerline observer
Web Clip 19: Pseudo-recording at sideline observer (bonus)
Web Clip 20: Movie at sideline observer (bonus)
HWB C11 Cutback Condition (Fig 17f)
Web Clip 21: Pseudo-recording at centerline observer
Web Clip 22: Movie at centerline observer
Web Clip 23: Pseudo-recording at sideline observer (bonus)
Web Clip 24: Movie at sideline observer (bonus)
Effect of Ground Plane (Fig 18a)
Web Clip 25: HWB C11 sideline condition (centerline observer) without ground plane (compare with web clip 17)
Effect of Distributed Sources (Fig 18b)
Web Clip 26: HWB C11 sideline condition (sideline observer) (compare with web clip 19)
Effect of Low Frequency Oscillations (Fig 18c)
Web Clip 27: HWB C11 sideline condition (sideline observer) (compare with web clip 19)
Combined Effect of Distributed Sources and LFO (Fig 18d)
Web Clip 28: HWB C11 sideline condition (sideline observer) (compare with web clip 19)
- Synthesis of Virtual Environments for Aircraft Community Noise Impact Studies, Stephen A. Rizzi and Brenda M. Sullivan, 11th AIAA/CEAS Aeroacoustics Conference, AIAA-2005-2983, Monterey, CA, USA, 23-25 May 2005. https://doi.org/10.2514/6.2005-2983
Web Clip 1: Compressed AVI movie (Same as ICAD2003)
Web Clip 2: Effect of ground reflection on moving white noise source
Web Clip 3: Recorded jet noise (Same as AIAA-2004-1029)
Web Clip 4: Synthesized jet noise without temporal variations (Same as AIAA-2004-1029)
Web Clip 5: Synthesized jet noise with temporal variations (Same as AIAA-2004-1029)
Web Clip 6: Synthesized jet noise (at source) flying on straight and level trajectory
Web Clip 7: Web Clip 6 as heard by ground observer with spreading loss and binaural simulation
Web Clip 8: Same as Web Clip 7 with atmospheric absorption
Web Clip 9: Same as Web Clip 8 with absolute delay
Web Clip 10: Same as Web Clip 9 with ground reflection
Web Clip 11: Same as Web Clip 10 with synthesized fan tones
- Temporal Characterization of Aircraft Noise Sources, Ferdinand W. Grosveld, Brenda M. Sullivan, and Stephen A. Rizzi, 42nd AIAA Aerospace Sciences Meeting, AIAA-2004-1029, Reno, NV, USA, 5-8 January 2004. https://doi.org/10.2514/6.2004-1029
Recorded jet noise
Synthesized jet noise without temporal variations
Synthesized jet noise with temporal variations
- A Three-Dimensional Virtual Simulator For Aircraft Flyover Presentation, Stephen A. Rizzi, Brenda M. Sullivan, and Christopher A. Sandridge, 2003 International Conference on Auditory Display, Boston, MA, USA, 6-9 July 2003.
Uncompressed AVI movie
Compressed AVI movie