Department Publications

2020s

2024

140. Microphone Placement for Sparse 2D Beamforming Arrays

     Curtis Garner^†, Jonathan Blotter, and Scott Sommerfeldt

     2024 Intermountain Engineering, Technology and Computing (IETC). (Logan, UT, May 2024).
     
141. Radiation resistance matrix for baffled simply curved plates for sound power applications

     Ian C. Bacon^‡, Trent P. Bates^†, Caleb B. Goates^†, Micah R. Shepherd, Jonathan D. Blotter, and Scott D. Sommerfeldt

     Noise Control Eng. J. 72 (2), 65-78 (2024).
     

2023

138. Incubator-based active noise control device: comparison to ear covers and noise reduction zone quantification

     George M. Hutchinson, Preston S. Wilson, Scott Sommerfeldt, and Kaashif Ahmad

     Pediatr. Res., (2023).
     
139. Developing an indirect vibration-based sound power method to determine the sound power radiated from acoustic sources

     Ian C. Bacon^‡, Scott D. Sommerfeldt, and Jonathan D. Blotter

     83rd Meeting of the Acoustical Society of America, (Nashville, TN, December 2022) Proc. Meet. Acoust. 50 (1), 065003 (2023).
     

2022

136. Improved efficiency of vibration-based sound power computation through multi-layered radiation resistance matrix symmetry

     John C. Ebeling^‡, Ian C. Bacon^‡, Trent P. Bates^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     JASA Express Letters 2 (12), 125601 (2022).
     
137. A hybrid method for creating auralizations of vibroacoustic systems

     Jared A. Miller^†, Scott D. Sommerfeldt, Jonathan D. Blotter, and David C. Copley

     Noise Control Eng. J. 70 (6), 552-561 (2022).
     
138. A multi-stage filter for separating speech from background noise

     Curtis Garner^†, Jonathan Blotter, Scott Sommerfeldt, and Tyler Sanders^‡

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NOISE-CON22, pp. 588-596(9), (Lexington, KY, June 2022).
     
139. Testing listeners' ability to localize virtual sources using sparse loudspeaker arrays and comparison with spherical-head model predictions

     Nathaniel Wells^†, Tyler Sanders^‡, Scott Sommerfeldt, and Jonathan Blotter

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NOISE-CON22, pp. 227-232(6), (Lexington, KY, June 2022).
     
140. A coherence-based phase and amplitude gradient estimator method for calculating active acoustic intensity

     Mylan R. Cook^†, Kent L. Gee, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 151 (6), 4053-4060 (2022).
     
141. Determination of radiated sound power from acoustic sources using the VBSP method and a mylar boundary

     Ian Bacon^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     182nd Meeting of the Acoustical Society of America, (Denver, CO, May 2022). Proc. Meet. Acoust. 46 (1), 065003 (2022).
     
142. Vibration-based sound power measurements of arbitrarily curved panels

     Trent P. Bates^†, Ian C. Bacon^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 151 (2), 1171-1179 (2022).
     
143. Using machine learning to evaluate the fidelity of heavy equipment acoustic simulations

     A. Jared Miller^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     Appl. Acoust. 187, 108513 (2022).
     

2021

128. Solving one-dimensional acoustic systems using the impedance translation theorem and equivalent circuits: A graduate level homework assignment

     Brian E. Anderson and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 150 (6), 4155-4165 (2021).
     
129. Experimental sound power from curved plates using the radiation resistance matrix and a scanning vibrometer

     Trent Bates^†, Ian C. Bacon^‡, Caleb B. Goates^†, and Scott D. Sommerfeldt

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise21, (Washington DC, August 2021), pp. 2812-2821.
     
130. A hybrid method for broadband vibroacoustic simulations

     Jared Miller^†, Scott D. Sommerfeldt, Jonathan D. Blotter, and David C. Copley

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise21, (Washington D.C., August 2021 ), pp. 2812-2821.
     
131. A compact active structural acoustic control method for minimizing radiated sound power

     Scott Sommerfeldt

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise21, (Washington, D.C., August 2021), pp. 3396-3406.
     
132. Selecting a new textbook for a graduate level course on vibration and fluid acoustics

     Brian E. Anderson and Scott D. Sommerfeldt

     178th Meeting of the Acoustical Society of America, (San Diego, CA, December 2019). Proc. Meet. Acoust. 39 (1), 025004 (2021).
     
133. Active noise control using remotely placed sources: Application to magnetic resonance imaging noise and equivalence to the time reversal inverse filter

     Trent S. Furlong^‡, Brian E. Anderson, Brian D. Patchett^†, and Scott D. Sommerfeldt

     Appl. Acoust. 176 (176), 107902 (2021).
     

2020

122. Sound power of vibrating cylinders using the radiation resistance matrix and a laser vibrometer

     Caleb B. Goates^†, Cameron B. Jones^‡, Scott D. Sommerfeldt, and Jonathan D. Blotter

     J. Acoust. Soc. Am. 148 (6), 3553-3561 (2020).
     
123. Measuring In-Situ Sound Power Using a Simplified Acoustic Energy Density Method

     Travis N Hoyt^†, Scott D Sommerfeldt, David C Copley, and Jonathan D Blotter

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon20, (New Orleans, LA, 2020), pp. 455-466.
     
124. Case study: Noise reduction of a vacuum-assisted toilet

     Michael T. Rose^†, B. Dagan Pielstick^‡, Zach T. Jones^‡, Scott D. Sommerfeldt, Kent L. Gee, and Scott Thomson

     Noise Control Eng. J. 68 (4), 294-302 (2020).
     
125. Bandwidth extension of intensity-based sound power estimates

     Michael C. Mortenson^‡, Suzanna Gilbert^‡, Tracianne B. Neilsen, Kent L. Gee, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 147 (5), EL409-EL414 (2020).
     
126. Experimental validation of determining sound power using acoustic radiation modes and a laser vibrometer

     Cameron B. Jones^†, Caleb B. Goates^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

     Appl. Acoust. 164, 107254 (2020).
     

2010s

2019

117. Initial infrasound source characterization using the phase and amplitude gradient estimator method

     Francisco J. Irarrazabal^†, Mylan R. Cook^†, Kent L. Gee, Pauline Nelson, Daniel J. Novakovich^‡, and Scott D. Sommerfeldt

     177th Meeting of the Acoustical Society of America, (Louisville, KY, May 2019). Proc. Meet. Acoust. 36 (1), 045004 (2019).
     
118. Modeling acoustic resonators using higher-order equivalent circuits

     Caleb B. Goates^†, Matthew F. Calton^†, Scott D. Sommerfeldt, and David C. Copley

     Noise Control Eng. J. 67 (6), 456-466 (2019).
     
119. Plane-wave tube validation of bandwidth extension for energy-based quantities using pressure gradient methods

     Daxton Hawks, Tracianne B. Neilsen, Kent L. Gee, and Scott D. Sommerfeldt

     173rd Meeting of Acoustical Society of America and 8th Forum Acusticum, (Boston, MA, June 2017). Proc. Meet. Acoust. 30 (1), 055019 (2019).
     
120. Frequency trends of acoustic radiation modes for cylindrical structures

     Caleb B. Goates^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     176th Meeting of Acoustical Society of America, 2018 Acoustics Week in Canada, (Victoria, Canada, November 2018). Proc. Meet. Acoust. 35 (1), 065003 (2019).
     
121. Overview of the phase and amplitude gradient estimator method for acoustic intensity

     Kent L. Gee, Francisco J. Irarrazabal^†, Mylan R. Cook^†, Scott D. Sommerfeldt, Tracianne B. Neilsen, Michael C. Mortenson, and Pauline Nelson

     INTER-NOISE 2019, 48th International Congress and Exhibition on Noise Control Engineering, (Madrid, Spain, June 2019).
     
122. Bandwidth extension of narrowband-signal intensity calculation using additive, low-level broadband noise

     Mylan R. Cook^†, Kelli F. Succo^†, Kent L. Gee, Scott D. Sommerfeldt, and Tracianne B. Neilsen

     J. Acoust. Soc. Am. 145 (5), 3146-3153 (2019).
     
123. Noise control of a vacuum-assisted toilet: structural vibration damping

     Michael T. Rose^†, Joshua F. Kilts^‡, Kent L. Gee, Scott D. Sommerfeldt, and Scott L. Thomson

     Proc. Meet. Acoust. 33 (1), 030002 (2019).
     
124. On the physical meaning of subsonic wavenumber truncation as applied to source identification on vibrating structures

     Micah R. Shepherd, Michael T. Rose^†, and Scott D. Sommerfeldt

     176th Meeting of Acoustical Society of America, 2018 Acoustics Week in Canada, (Victoria, Canada, November 2018). Proc. Meet. Acoust. 35 (1), 065001 (2019).
     
125. The effects of contaminating noise on the calculation of active acoustic intensity for pressure gradient methods

     Mylan R. Cook^†, Kent L. Gee, Tracianne B. Neilsen, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 145 (1), 173-184 (2019).
     

2018

108. Noise Reduction of a Vacuum-Assisted Toilet

     Michael Rose^†, Dagan Pielstick, Zach Jones^‡, Kent Gee, Scott Thomson, and Scott Sommerfeldt
     
109. Modeling Acoustic Resonators with Higher-Order Equivalent Circuits

     Caleb Goates^†, Scott D. Sommerfeldt, and David C. Copley

     INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise 18 (Chicago, IL, August 2018).
     
110. Highly directional pressure sensing using the phase gradient

     Joseph S. Lawrence^†, Kent L. Gee, Tracianne B. Neilsen, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 144 (4), EL346 (2018).
     
111. Acoustic intensity of narrowband sources using the phase and amplitude gradient estimator method

     Kelli F. Succo^†, Scott D. Sommerfeldt, Kent L. Gee, and Tracianne B. Neilsen

     173rd Meeting of Acoustical Society of America and 8th Forum Acusticum (Boston, MA, June 2017). Proc. Meet. Acoust. 30 (1), 030015 (2018).
     
112. Comparison of multi-microphone probes and estimation methods for pressure-based acoustic intensity

     Michael T. Rose^†, Reese D. Rasband^‡, Kent L. Gee, and Scott D. Sommerfeldt

     171st Meeting of the Acoustical Society of America, (Salt Lake City, UT, May 2016). Proc. Meet. Acoust. 26 (1), 030004 (2018).
     
113. Three-microphone probe bias errors for acoustic intensity and specific acoustic impedance

     Joseph S. Lawrence^†, Eric B. Whiting^†, Kent L. Gee, Reese D. Rasband^‡, Tracianne B. Neilsen, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 143 (2), EL81-EL86 (2018).
     
114. Active control of simply supported cylindrical shells using the weighted sum of spatial gradients control metric

     Pegah Aslani^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     J. Acoust. Soc. Am. 143 (1), 271-280 (2018).
     

2017

101. Analysis of the external radiation from circular cylindrical shells

     Pegah Aslani^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

     J. Sound Vibr. 408, 154-167 (2017).
     
102. Bias error analysis for phase and amplitude gradient estimation of acoustic intensity and specific acoustic impedance

     Eric B. Whiting^†, Joseph S. Lawrence^†, Kent L. Gee, Tracianne B. Neilsen, and Scott D. Sommerfeldt

     J. Acoust. Soc. Am. 142 (4), 2208-2218 (2017).
     
103. Higher-order estimation of active and reactive acoustic intensity

     Joseph S. Lawrence^†, Kent L. Gee, Tracianne B. Neilsen, and Scott D. Sommerfeldt

     173rd Meeting of Acoustical Society of America and 8th Forum Acusticum (Boston, MA, June 2017).  Proc. Meet. Acoust. 30, 055004 (2017).
     
104. Coherence-based phase unwrapping for broadband acoustic signals

     Mylan R. Cook^†, Kent L. Gee, Scott D. Sommerfeldt, and Tracianne B. Neilsen

     173rd Meeting of Acoustical Society of America and 8th Forum Acusticum (Boston, MA, June 2017). Proc. Meet. Acoust. 30, 055005 (2017).
     
105. Experimental validation of acoustic intensity bandwidth extension by phase unwrapping

     Kent L. Gee, Tracianne B. Neilsen, Scott D. Sommerfeldt, Masahito Akamine, and Koji Okamoto

     J. Acoust. Soc. Am. 141 (4), EL357-EL362 (2017).
     
106. Initial laboratory experiments to validate a phase and amplitude gradient estimator method for the calculation of acoustic intensity

     Darren K. Torrie^‡, Eric B. Whiting^†, Kent L. Gee, Traciannne B. Neilsen, and Scott D. Sommerfeldt

     169th Meeting of the Acoustical Society of America, (Pittsburgh, PA, May 2015). Proc. Meet. Acoust. 23, 030005 (2017).
     

2016

95. Active noise control of enclosed centrifugal blowers

    J. James Esplin^†, Scott D. Sommerfeldt, Kent L. Gee, and John K. Boyle^‡

    Noise Control Eng. J. 64 (5), 560-572 (2016).
    

2015

94. An analysis of control using the weighted sum of spatial gradients in active structural acoustic control for flat panels

    Yin Cao, Scott. D. Sommerfeldt, William Johnson^†, Jonathan D. Blotter, and Pegah Ashlani^†

    J. Acoust. Soc. Am. 138 (5), 2986-2997 (2015).
    
95. Modeling acoustic resonators: From theory to application

    Matthew F. Calton^‡ and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise15, pp. 3184-3191(8) (San Francisco, CA, August 2015).
    
96. Preparing for a career in academia: Mentoring students in research

    Kent L. Gee, Tracianne B. Neilsen, Scott D. Sommerfeldt, and Timothy W. Leishman

    169th Meeting of the Acoustical Society of America (Pittsburgh, PA, May 2015). Proc. Meet. Acoust. 23 (1), 025001 (2015).
    
97. Active Structural Acoustic Control of Clamped Flat Plates Using a Weighted Sum of Spatial Gradients

    William R. Johnson^†, Daniel R. Hendricks^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

    Shock Vib. 2015, 628685 (2015).
    
98. Acoustical measurements

    Brian E. Anderson, Jonathan D. Blotter, Kent L. Gee, and Scott D. Sommerfeldt

    Chapter 27 in Mechanical Engineer’s Handbook, 4th Edition, Volume 1, Editor Myer Kutz, ISBN: 978-1-118-11899-3 (John Wiley & Sons, Inc.), pp. 953-996 (2015).
    

2014

89. Experimental active structural acoustic control of simply supported plates using a weighted sum of spatial gradients

    Daniel R. Hendricks^†, William R. Johnson^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

    J. Acoust. Soc. Am. 136 (5), 2598 (2014).
    
90. Generalized acoustic energy density based active noise control in single frequency diffuse sound fields

    Buye Xu and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 136 (3), 1112 (2014).
    
91. Comparison of multimicrophone probe design and processing methods in measuring acoustic intensity

    Curtis P. Wiederhold^†, Kent L. Gee, Jonathan D. Blotter, Scott D. Sommerfeldt, and Jarom H. Giraud^†

    J. Acoust. Soc. Am. 135 (5), 2797-2807 (2014).
    

2013

86. Low-frequency calibration of a multidimensional acoustic intensity probe for application to rocket noise

    Jarom H. Giraud^†, Kent L. Gee, Scott D. Sommerfeldt, Troy Taylor^‡, and Jonathan D. Blotter

    162nd Meeting Acoustical Society of America (November 2011, San Diego, CA). Proc. Meet. Acoust. 14 (1), 040006 (2013).
    
87. Active control of axial and centrifugal fan noise

    Scott D. Sommerfeldt and Kent L. Gee

    International Congress on Acoustics 2013 Montreal (June 2013, Montreal, Canada). Proc. Meet. Acoust. 19 (1), 30009 (2013).
    
88. Acoustic radiation mode shapes for control of plates and shells

    William R. Johnson^†, Pegah Aslani^†, Scott D. Sommerfeldt, Jonathan D. Blotter, and Kent L. Gee

    International Congress on Acoustics 2013 Montreal (June 2013, Montreal, Canada). Proc. Meet. Acoust. 19 (1), 065036 (2013).
    
89. Combining theory and experiment to teach acoustic concepts

    Scott D. Sommerfeldt

    Proc. Meet. Acoust. 19 (1), 025003 (2013).
    
90. A hybrid modal analysis for enclosed sound fields and its applications

    Buye Xu^†, Scott D. Sommerfeldt, and Timothy W. Leishman

    Proc. Meet. Acoust. 19 (1), 015070 (2013).
    
91. Characterization of microphone placement and noise sensitivity in a global active noise control system for a compact noise source

    Ryan L. Rust^†, Scott D. Sommerfeldt, Kent L. Gee, and Jonathan D. Blotter

    Noise Control Eng. J. 61 (3), 280-290 (2013).
    
92. Aperture extension for near-field acoustical holography of jet noise

    Alan T. Wall^†, Kent L. Gee, David W. Krueger^†, Tracianne B. Neilsen, Scott D. Sommerfeldt, and Michael M. James

    Proc. Meet. Acoust. 14, 065001 (2013).
    
93. Acoustical measurements

    Brian E. Anderson, Jonathan D. Blotter, Kent L. Gee, and Scott D. Sommerfeldt

    in Handbook of Measurement in Science and Engineering, Myer Kutz ed., (John Wiley & Sons, Inc.), pp. 433-481 (2013).
    

2012

78. On the use of prepolarized microphone systems in rocket noise measurements

    Troy Taylor^‡, Kent L. Gee, Jarom H. Giraud^†, Scott D. Sommerfeldt, Jonathan D. Blotter, and Curtis P. Wiederhold

    162nd Meeting Acoustical Society of America (November 2011, San Diego, CA). Proc. Meet. Acoust. 14 (1), 040005 (2012).
    
79. The current state of acoustics education at Brigham Young University

    Kent L. Gee, Scott D. Sommerfeldt, and Tracianne B. Neilsen

    160th Meeting Acoustical Society of America (November 2010, Cancun, Mexico). Proc. Meet. Acoust. 11, 025002 (2012).
    
80. Active noise control of an exhaust-mounted, two-fan array

    Ryan L. Rust^†, Kent L. Gee, Scott D. Sommerfeldt, and Jonathan D. Blotter

    Noise Control Eng. J. 60 (4), 481-489 (2012).
    
81. Full-Scale Jet Noise Characterization Using Scan-Based Acoustical Holography

    Alan T. Wall^†, Kent L. Gee, Tracianne B. Neilsen, David W. Krueger, Michael M. James, Scott D. Sommerfeldt, and Jonathan D. Blotter

    18th AIAA/CEAS Aeroacoustics Conference (33rd AIAA Aeroacoustics Conference) (Colorado Springs, CO, June 2012). AIAA paper 2012-2081.
    
82. Development of a pseudo-uniform structural quantity for use in active structural acoustic control of simply supported plates: An analytical comparison

    Jeffery M. Fisher^†, Jonathan D. Blotter, Scott D. Sommerfeldt, and Kent L. Gee

    J. Acoust. Soc. Am. 131 (5), 3833-3840 (2012).
    
83. Comparison of methods for processing acoustic intensity from orthogonal multimicrophone probes

    Curtis P. Wiederhold^†, Kent L. Gee, Jonathan D. Blotter, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 131 (4), 2841-2852 (2012).
    
84. Creating an active-learning environment in an introductory acoustics course

    Tracianne B. Neilsen, William J. Strong, Brian E. Anderson, Kent L. Gee, Scott D. Sommerfeldt, and Timothy W. Leishman

    J. Acoust. Soc. Am. 131 (3), 2500-2509 (2012).
    

2011

71. Generalized acoustic energy density

    Buye Xu^†, Scott D. Sommerfeldt, and Timothy W. Leishman

    J. Acoust. Soc. Am. 130 (3), 1370-1380 (2011).
    

2010

70. A hybrid modal analysis for enclosed sound fields

    Buye Xu^† and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 128 (5), 2857-2867 (2010).
    
71. Interior Fourier Near-field Acoustical Holography Using Energy Density

    Zachary A. Collins^†, Kent L. Gee, Scott D. Sommerfeldt, and Jonathan D. Blotter

    159th Meeting of the Acoustical Society of America (April 2010, Baltimore, MD). Proc. Meet. Acoust. 9, 040007 (2010).
    
72. On the use of energy based metrics in active structural acoustic control

    Daniel A. Manwill^†, Jeff M. Fisher^†, Scott D. Sommerfeldt, Kent L. Gee, and Jonathan D. Blotter

    159th Meeting of the Acoustical Society of America (April 2010, Baltimore, MD). Proc. Meet. Acoust. 9 (1), 065006 (2010).
    
73. Development of a Pseudo-uniform Structural Quantity for Use in Active Structural Acoustic Control

    Jeff Fisher^†, Daniel A. Manwill^†, Jonathan D. Blotter, Kent L. Gee, and Scott D. Sommerfeldt

    159th Meeting of the Acoustical Society of America (April 2010, Baltimore, MD). Proc. Meet. Acoust. 9, 065005 (2010).
    
74. Near-field vector intensity measurements of a small solid rocket motor

    Kent L. Gee, Jarom H. Giraud^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 128 (2), EL69-EL74 (2010).
    
75. Active noise control of multiple cooling fans

    Ryan Rust^†, Jonathan Blotter, Scott Sommerfeldt, and Kent Gee

    159th Meeting of the Acoustical Society of America/NOISE-CON 2010, (April 2010, Baltimore, MD). Proc. Noise-Con 10 220, 818-825 (2010).
    
76. Improving undergraduate noise control education at Brigham Young University

    K. L. Gee, S. D. Sommerfeldt, T. W. Leishman, B. E. Anderson, and J. D. Blotter

    38th International Congress and Exposition on Noise Control Engineering 2009, (August 2009, Ottawa, Canada), J. S. Bolton ed., 2543-2549 (2010).
    
77. Near-field accoustical holography of military jets: Experiments on partially correlated noise sources.

    M. D. Gardner^†, A. T. Wall^†, K. L. Gee, S. D. Sommerfeldt, D. Manwill^†, and J. D. Blotter

    38th International Congress and Exposition on Noise Control Engineering 2009, (August 2009, Ottawa, Canada), J. S. Bolton ed., 4845-4853, (2010)
    
78. Verification of a near-field error sensor placement method in active control of compact noise sources

    Benjamin M. Shafer^†, Kent L. Gee, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 127 (2), EL66-EL72 (2010).
    

2000s

2009

61. Acoustics

    Jonathan D. Blotter, Scott D. Sommerfeldt, and Kent L. Gee

    chapter 19 in Eshbach's Handbook of Engineering Fundamentals, 5th Edition, Myer Kutz ed., pp. 1151-1199 (Wiley, 2009).
    
62. Development of a multi-microphone calibrator

    Jonathan R. Oldham^†, Jason D. Sagers^†, Jonathan D. Blotter, Scott D. Sommerfeldt, Timothy W. Leishman, and Kent L. Gee

    Appl. Acoust. 70 (6), 790-798 (2009).
    
63. Energy-Based Acoustical Measurements of Rocket Noise

    Kent L. Gee, Jarom H. Giraud^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference) (Miami, FL, May 2009). AIAA paper 2009-3165.
    
64. Optimization of control source locations in free-field active noise control using a genetic algorithm

    Connor R. Duke^†, Scott D. Sommerfeldt, Kent L. Gee, and Cole V. Duke^†

    Noise Control Eng. J. 57 (3), 221-231 (2009).
    

2008

57. Global active control of axial cooling fan noise: An overview of past and present research

    Kent L. Gee and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon08, pp. 1238-1246, (Dearborn MI, July 2008).
    
58. Eigenvalue equalization filtered-x algorithm for the multichannel active noise control of stationary and nonstationary signals

    Jared K. Thomas^†, Stephan P. Lovstedt^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 123 (6), 4238-4249 (2008).
    
59. Genetic Algorithm Applied to the Eigenvalue Equalization Filtered-x LMS Algorithm (EE-FXLMS)

    Stephan P. Lovstedt^†, Jared K. Thomas^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

    Adv. Acoust. Vib. 2008, 791050 (2008).
    
60. Eigenvalue equalization filtered-x (EE-FXLMS) algorithm applied to the active minimization of tractor noise in a mock cabin

    Jared K. Thomas^†, Stephan Lovstedt^†, Jonathan D. Blotter, Scott D. Sommerfeldt, and Ben Faber^†

    Noise Control Eng. J. 56 (1), 25-34 (2008).
    

2007

53. Experimental determination of far field sound power field due to panel and vent radiation on a portable diesel generator

    Jason Sagers^†, Jonathan Blotter, and Scott Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon07, pp. 1364-1370, (Reno NV, October 2007).
    
54. Optimal near-field error sensor locations for active control of fan noise using multipole expansions

    Benjamin Shafer^†, Kent L. Gee, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon07, pp. 1089-1096, (Reno NV, October 2007).
    
55. Optimization of control source location in a free-field active noise control application using a genetic algorithm

    Connor R. Duke^†, Scott D. Sommerfeldt, Kent L. Gee, and Cole V. Duke^†

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon07, pp. 777-784, (Reno NV, October 2007).
    
56. Measurement and evaluation of blade passage frequency fluctuations

    Cole V. Duke^†, Scott D. Sommerfeldt, Kent L. Gee, and Connor R. Duke^†

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon07, pp. 1506-1511, (Reno NV, October 2007).
    
57. Eigenvalue equalization applied to the active minimization of engine noise in a mock cabin

    Jared K. Thomas^†, Stephan Lovstedt^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon07, pp. 1744-1751, (Reno NV, October 2007).
    
58. Improving compactness for active noise control of a small axial cooling fan

    Brian B. Monson^†, Scott D. Sommerfeldt, and Kent L. Gee

    Noise Control Eng. J. 55 (4), 397-407 (2007).
    
59. Measurement of sound power and absorption in reverberation chambers using energy density

    David B. Nutter^†, Timothy W. Leishman, Scott D. Sommerfeldt, and Jonathan D. Blotter

    J. Acoust. Soc. Am. 121 (5), 2700-2710 (2007).
    

2006

46. Development of a calibrator for simultaneous calibration of multiple microphones on an acoustic energy density probe

    Jonathan R. Oldham^†, Scott D. Sommerfeldt, and Jonathan D. Blotter

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise06, pp. 3505-3514, (Honolulu HI, December 2006).
    
47. Passive noise control techniques for a Diesel engine power-generation facility

    Jason D. Sagers^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise06, pp. 4065-4074, (Honolulu HI, December 2006).
    
48. A Comparison of Convergence and Tracking in ED and SP Based FXLMS Algorithms

    B. M. Faber^† and S. D. Sommerfeldt

    International Symposium on Active Control of Sound and Vibration, (2006, Adelaide, Australia).
    
49. Development of a weatherproof windscreen for a microphone array

    Jeffrey R. Hill^†, Jonathan D. Blotter, Timothy W. Leishman, and Scott D. Sommerfeldt

    Noise Control Eng. J. 54 (3), 169-176 (2006).
    
50. Sound quality assessment of sewing machines

    James J. Chatterley^†, Jonathan D. Blotter, Timothy W. Leishman, and Scott D. Sommerfeldt

    Noise Control Eng. J. 54 (3), 212-220 (2006).
    
51. Global active control of energy density in a mock tractor cabin

    Benjamin M. Faber^† and Scott D. Sommerfeldt

    Noise Control Eng. J. 54 (3), 187-197 (2006).
    
52. Obtaining the complex pressure field at the hologram surface for use in near-field acoustical holography when pressure and in-plane velocities are measured

    Michael C. Harris^†, Jonathan D. Blotter, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 119 (2), 808-816 (2006).
    
53. Feedback control of Broadband Axial Fan Noise for Global Attenuation

    Matthew J. Green^†, Scott D. Sommerfeldt, and Benjamin M. Faber^†

    International Symposium on Active Control of Sound and Vibration, (September 2006, Adelaide, Australia).
    

2005

38. Energy density active noise control in an earthmoving machine cab

    David Copley, Ben Faber^†, and Scott Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon05, pp. 589-594, (Minneapolis MN, October 2005).
    
39. Sound Quality Testing and Analysis of Multiple Brands of Sewing Machines

    James J. Chatterley^†, Andrew J. Boone, Thomas L. Lago¨, Jonathan Blotter, Scott D. Sommerfeldt, and Craig C. Smith

    ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. (Long Beach, CA, September 2005).
    

2004

36. Global active control of tonal noise from small axial cooling fans

    Brian B. Monson^† and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Active04, pp. 327-337, (Williamsburg VA, September 2004).
    
37. Global control in a mock tractor cabin using energy density

    Benjamin Faber^† and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Active04, pp. 196-205, (Williamsburg VA, September 2004).
    
38. Application of theoretical modeling to multichannel active control of cooling fan noise

    K. L. Gee^† and S. D. Sommerfeldt

    J. Acoust. Soc. Am. 115 (1), 228-236 (2004).
    

2003

33. A compact active control implementation for axial cooling fan noise

    Kent L. Gee^† and Scott D. Sommerfeldt

    Noise Control Eng. J. 51 (6), 325-334 (2003).
    
34. Active control of energy density in a mock cabin

    Benjamin Faber^† and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon03, pp. 448-453, (Cleveland OH, June 2003).
    
35. Design and implementation of an automated intensity scanning system at the Acoustical Testing Lab at the NASA Glenn Research Center

    Gordon Dix^†, Kent L. Gee^†, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon03,  pp. 845-850, (Cleveland OH, June 2003).
    

2002

30. Spatially continuous power flow using a scanning laser Doppler vibrometer

    Jonathan D. Blotter, Robert L. West, and Scott D. Sommerfeldt

    J. Vib. Acoust. 124 (4), 476-482 (2002).
    
31. Multi-channel active control of axial cooling fan noise

    Kent L. Gee^† and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise02, pp. 880-885, (Dearborn MI, August 2002).
    

2001

28. Incorporation of loudness measures in active noise control

    Scott D. Sommerfeldt and Timothy O. Samuels^†

    J. Acoust. Soc. Am. 109 (2), 591-599 (2001).
    

2000

27. Modeling the normal modes and acoustics of a jet engine

    Laralee Ireland^† and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon00, pp. 71-76, (Newport Beach CA, December 2000).
    
28. Narrowband and broadband active control in an enclosure using the acoustic energy density

    J. W. Parkins, S. D. Sommerfeldt, and J. Tichy

    J. Acoust. Soc. Am. 108 (1), 192-203 (2000).
    
29. Error analysis of a practical energy density sensor

    J. W. Parkins, S. D. Sommerfeldt, and J. Tichy

    J. Acoust. Soc. Am. 108 (1), 211-222 (2000).
    

1990s

1999

24. A comparison of two active control methods through an investigation of node structures

    John W. Parkins, J. Tichy, and S. D. Sommerfeldt

    Active 99, Ft. Lauderdale, FL, Dec. 2-4, 1999, pp. 729-740 (invited paper).
    

1997

23. An active control mechanism to enhance and parametrically study a multi-fuel, Rijke-type pulse combustor

    P. A. Erickson^†, M. Q. McQuay^†, R. K. Dubey^†, and S. D. Sommerfeldt

    Noise Control Eng. J. 45 (4), 147-156 (1997).
    
24. Estimating acoustic radiation from a Bernoulli-Euler beam using shaped polyvinylidene fluoride film

    B. L. Scott and S. D. Sommerfeldt

    J. Acoust. Soc. Am. 101 (6), 3475-3485 (1997).
    
25. Global attenuation of broadband noise fields using energy density control

    Young C. Park and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 101 (1), 350-359 (1997).
    
26. An error intensity spectral filtering method for active control of broadband structural intensity

    David C. Swanson, Cassandra A. Gentry, Sabih I. Hayek, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 101 (1), 623-625 (1997).
    

1996

19. Modal Results for Active Control of Energy Density in a Rectangular Enclosure

    S. D. Sommerfeldt, J. W. Parkins, and J. Tichy

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon96, pp. 429-434,  (Seattle WA, September 1996).
    
20. Active Control of Broadband Random Noise in Rectangular Enclosures

    Y. C. Park and S. D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise9, pp. 1087-109 (Liverpool ENGLAND, August 1996).
    
21. A fast adaptive noise control algorithm based on the lattice structure

    Young C. Park and Scott D. Sommerfeldt

    Appl. Acoust. 47 (1), 1-25 (1996).
    

1995

16. Active control of structural intensity in connected structures

    Moongyung Nam, Sabih I. Hayek, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Active95, pp. 209-220 (Newport Beach CA, July 1995).
    
17. Active control of noise in magnetic resonance imaging

    Frederic G. Pla, Scott D. Sommerfeldt, and Robert A. Hedeen

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Active95, pp. 573-582, (Newport Beach CA, July 1995).
    
18. Global active noise control in rectangular enclosures

    Scott D. Sommerfeldt, John W. Parkins, and Young C. Park

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Active95, pp. 477-488 (Newport Beach CA, July 1995).
    
19. Power flow in a plate with an attached point damper

    Sabih I. Hayek, Moongyung Nam, and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise95, pp. 615-620 (Newport Beach CA, July 1995).
    

1994

12. Adaptive-control of structural intensity associated with bending waves in a beam

    Allan E. Schwenk, Scott D. Sommerfeldt, and Sabih I. Hayek

    J. Acoust. Soc. Am. 96 (5), 2826-2835 (1994).
    
13. Reduction of plate vibration and acoustic radiation using adaptively controlled boundaries

    Deborah A. Gruenhagen, Courtney B. Burroughs, and Scott D. Sommerfeldt

    J. Acoust. Soc. Am. 96 (4), 2284-2290 (1994).
    
14. An enhanced noise control algorithm based on the lattice structure

    Young C. Park and Scott D. Sommerfeldt

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise9, pp. 1217-1220 (Yokohama JAPAN, September 1994).
    
15. An evaluation of active noise attenuation in rectangular enclosures

    Scott D. Sommerfeldt and John W. Parkins

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise94, pp. 1351-1356 (Yokohama JAPAN, September 1994).
    
16. An adaptive filtered-chi algorithm for energy-based active control

    Scott D. Sommerfeldt and Peter J. Nashif

    J. Acoust. Soc. Am. 96 (1), 300-306 (1994).
    
17. Estimating acoustic radiation using wavenumber sensors

    Scott D. Sommerfeldt and Brian L. Scott

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon94, pp. 279-284 (Fort Lauderdale FL, May 1994).
    

1992

6. An active control strategy for minimizing the energy density in enclosures

   Peter J. Nashif and Scott D. Sommerfeldt

   INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise9, pp. 357-362 (Toronto CANADA, July 1992).
   

1991

5. Multi-channel Adaptive Control of Structural Vibration

   Scott D. Sommerfeldt

   Noise Control Eng. J. 37 (2), 77-89 (1991).
   
6. A comparison of control strategies for minimizing the sound field in enclosures

   Scott D. Sommerfeldt and Peter J. Nashif

   INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon91, pp. 299-306 (Tarrytown NY, July 1991)
   

1990

3. Adaptive control of a two‐stage vibration isolation mount

   Scott D. Sommerfeldt and Jiri Tichy

   J. Acoust. Soc. Am. 88 (2), 938-944 (1990).
   

1980s

1989

2. Adaptive vibration control using an LMS-based control algorithm

   Scott D. Sommerfeldt and Jiri Tichy

   INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise89, pp. 513-520 (Newport Beach CA, December 1989).
   

1988

1. Simulation of a player clarinet system

   Scott D. Sommerfeldt^† and William J. Strong

   J. Acoust. Soc. Am. 83 (5), 1908-1918 (1988).
   

^‡Undergraduate Student Author

^†Graduate Student Author