Physics & Astronomy

Students and faculty at Brigham Young University have attended conventions of many professional societies including the Acoustical Society of America, the Audio Engineering Society, the Institute of Noise Control and Engineering, AIAA, and the American Physical Society Four Corners Section to present their research.

1. A. T. Wall, K. L. Gee, D. W. Krueger, T. B. Neilsen, and M. M. James, "Aperture extension for near-field acoustical holography applied to jet noise," J. Acoust. Soc. Am. 130(4), 2344 (2011).
2. T. W. Leishman, B. Xu, S. D. Sommerfeldt, and N. J. Eyring II, "Energy-based measurements in reverberation chambers," J. Acoust. Soc. Am. 130(4), 2354-2355 (2011).
3. T. B. Neilsen and K. L. Gee, "Application of active-learning techniques to enhance student-based learning objectives," J. Acoust. Soc. Am. 130(4), 2362 (2011).
4. D. R. Marquez, T. W. Leishman, and R. P. Price, "Comparison of three experimental methods for assessing the blocked electrical impedance of a moving-coil loudspeaker driver," J. Acoust. Soc. Am. 130(4), 2395 (2011).
5. R. P. Price, D. R. Marquez, and T. W. Leishman, "Comparison and verification of analogous circuit models for dynamic moving-coil transducers," J. Acoust. Soc. Am. 130(4), 2395 (2011).
6. N. J. Eyring II, T. W. Leishman, K. M. Sorensen, N. G. W. Eyring, "Methods for automating multichannel directivity measurements of musical instruments in an anechoic chamber," J. Acoust. Soc. Am. 130(4), 2399 (2011).
7. B. M. Harker and B. E. Anderson, "Application of time reversal to sources in non-ideal environments," J. Acoust. Soc. Am. 130(4), 2430 (2011).
8. K. M. Sorensen, N. J. Eyring II, T. W. Leishman, and N. G. W. Eyring, "On the directivity of musical instruments: Effects on room acoustics calculations," J. Acoust. Soc. Am. 130(4), 2430 (2011).
9. K. Hart and T. B. Neilsen, "The sound of resonance," J. Acoust. Soc. Am. 130(4), 2473 (2011).
10. T. B. Neilsen, "Do you hear what I hear?" J. Acoust. Soc. Am. 130(4), 2473 (2011).
11. H. Jones and T. B. Neilsen, "The influence of noise on speech intelligibility," J. Acoust. Soc. Am. 130(4), 2473 (2011).
12. B. Y. Christensen, K. L. Gee, B. E. Anderson, and A. T. Wall, "Modal response and sound radiation from a hammered dulcimer," J. Acoust. Soc. Am. 130(4), 2509 (2011).
13. C. B. Hilton, B. E. Anderson, and H. Jones, "Equivalent circuit modeling and vibrometry analysis of the Udu Utar Nigerian drum," J. Acoust. Soc. Am. 130(4), 2509 (2011).
14. M. M. James and K. L. Gee, "Energy-based acoustic measurement system for rocket noise," J. Acoust. Soc. Am. 130(4), 2511-2512 (2011).
15. J. H. Giraud, K. L. Gee, S. D. Sommerfeldt, R. T. Taylor, and J. D. Blotter, "Low-frequency calibration of a multidimensional acoustics intensity probe for application to rocket noise," J. Acoust. Soc. Am. 130(4), 2512 (2011).
16. R. T. Taylor, K. L. Gee, J. H. Giraud, S. D. Sommerfeldt, J. D. Blotter, and C. P. Wiederhold, "On the use of prepolarized microphones in rocket noise measurements," J. Acoust. Soc. Am. 130(4), 2512 (2011).
17. Stuart A. Harper, K. L. Gee, J. H. Giraud, and M. B. Muhlestein, "Statistical analysis of noise from solid rocket motors," J. Acoust. Soc. Am. 130(4), 2512 (2011).
18. M. B. Muhlestein and K. L. Gee, "Statistical analysis of a characteristic shock formation distance for high-amplitude noise," J. Acoust. Soc. Am. 130(4), 2513 (2011).
19. T. B. Neilsen and K. L. Gee, "Similarity spectra and the effect of propagation on F-22 spectra at afterburner," J. Acoust. Soc. Am. 130(4), 2563 (2011).
20. J. J. Esplin, J. K. Boyle, S. D. Sommerfeldt, and K. L. Gee, "Active control of a centrifugal fan in a mock laptop enclosure," J. Acoust. Soc. Am. 130(4), 2564 (2011).
21. J. K. Boyle, J. J. Esplin, S. D. Sommerfeldt, and K. L. Gee, "A two-dimensional model for control of centrifugal fan inlet noise in a notebook computer," J. Acoust. Soc. Am. 130(4), 2564-2565 (2011).

1. A. T. Wall, K. L. Gee, T. B. Neilsen, S. D. Sommerfeldt, J. D. Blotter, and M. M. James, "Statistically optimized near-field acoustical holography applied to a high-power jet," J. Acoust. Soc. Am. 129(4), 2492 (2011).
2. D. W. Krueger, K. L. Gee, A. T. Wall, S. D. Sommerfeldt, and J. D. Blotter, "Cylindrical Fourier near-field acoustical holography applied to a high-power jet," J. Acoust. Soc. Am. 129(4), 2493 (2011).
3. J. J. Esplin, J. K. Boyle, S. D. Sommerfeldt, and K. L. Gee, "Active control of centrifugal fan noise: Modeling design guidelines," J. Acoust. Soc. Am. 129(4), 2584 (2011).
4. C. P. Wiederhold, K. L. Gee, S. D. Sommerfeldt, and J. D. Blotter, "Analytical comparison of spherical multimicrophone probes," J. Acoust. Soc. Am. 129(4), 2644 (2011).
5. J. A. Vernon, K. L. Gee, and J. H. Macedone, "Acoustical characterization of exploding hydrogen-oxygen balloons," J. Acoust. Soc. Am. 129(4), 2651 (2011).
6. J. Morgan, K. L. Gee, T. Neilsen, and A. T. Wall, "A simple-source model of military jet aircraft noise," J. Acoust. Soc. Am. 129(4), 2442 (2011).
7. J. K. Boyle, J. J. Esplin, S. D. Sommerfeldt, and K. L. Gee, "Active control of centrifugal fan noise: Experimental results," J. Acoust. Soc. Am. 129(4), 2584 (2011).
8. J. H. Giraud, K. L. Gee, S. D. Sommerfeldt, and J. D. Blotter, "Experimental analysis of multimicrophone probes for measurement of rocket noise," J. Acoust. Soc. Am. 129(4), 2644 (2011).
9. T. B. Neilsen, K. L. Gee, A. T. Wall, and M. M. James, "Comparison of near-field military jet aircraft noise with similarity spectra," J. Acoust. Soc. Am. 129(4), 2442 (2011).
10. D. J. Daily, T. Truscott, and S. L. Thomson, "Three-dimensional whole-field measurements of pulsatile glottal jets using synthetic aperture particle image velocimetry," J. Acoust. Soc. Am. 129(4), 2529 (2011).
11. B. M. Harker and B. E. Anderson, "Optimizing time reversal mirrors in a half-space environment with application to localization of jet noise," J. Acoust. Soc. Am. 129(4), 2532 (2011).
12. M. D. Shaw and B. E. Anderson, "On the measurement of angular dependent sound transmission through airborne, supercritical plates," J. Acoust. Soc. Am. 129(4), 2449 (2011).
13. B. E. Anderson and W. D. Peterson, "The song of the singing rod," J. Acoust. Soc. Am. 129(4), 2647 (2011).
14. T. B. Neilsen and J. Morgan, "How musical instruments make sounds: An exploration of standing waves and resonance frequencies," J. Acoust. Soc. Am. 129(4), 2539 (2011).
15. M. B. Muhlestein, K. L. Gee, and J. H. Macedone, "A pedagogical demonstration of weak-shock propagation from a gas-filled balloon explosion," J. Acoust. Soc. Am. 129(4), 2648 (2011).
16. M. R. Sheperd, A. D. Hanford, and K. L. Gee, "Statistical analysis of a finite-amplitude sinusoid," J. Acoust. Soc. Am. 129(4), 2679 (2011).
17. C. S. Clay and B. E. Anderson, "Matched signals: The beginnings of time reversal," J. Acoust. Soc. Am. 129(4), 2530 (2011).
18. J. M. Downing and K. L. Gee, "Characterizing nonlinearity in jet aircraft flyover data," J. Acoust. Soc. Am. 129(4), 2441 (2011).

1. J. H. Giraud, K. L. Gee, and J. E. Ellsworth, "Acoustic temperature measurement in a rocket noise field," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
2. T. Jenny and B. E. Anderson, "Anechoic chamber qualification at ultrasonic frequencies," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
3. J. A. Vernon, K. L. Gee, and J. H. Macedone, "Acoustical characterization of exploding hydrogen-oxygen balloons," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
4. M. B. Muhlestein, K. L. Gee, and J. H. Macedone, "A demonstration of acoustic shock wave propagation," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
5. A. T. Wall, K. L. Gee, T. Neilsen, D. W. Krueger, S. D. Sommerfeldt, and M. M. James, "Near-field acoustical holography of military jet aircraft noise," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
6. J. Morgan, K. L. Gee, T. Neilsen, and A. T. Wall, "A simple-source model of military jet aircraft noise," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
7. D. W. Krueger, K. L. Gee, and J. Grimshaw, "Nonlinear vibrations of a large Balinese gamelan gong," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).
8. K. L. Gee, "Nonlinear acoustic propagation of launch vehicle and military jet aircraft noise," Annual Meet. Four Corners Sect. Am. Phys. Soc. 55(9), (2010).

1. A. T. Wall, K. L. Gee, T. B. Neisen, and M. M. James, "Considerations for near-field acoustical inverse measurements on partially correlated sources," J. Acoust. Soc. Am. 128(4), p. 2285 (2010).
2. S. D. Sommerfeldt and K. L. Gee, "Acoustics at Brigham Young University through the years," J. Acoust. Soc. Am. 128(4), p. 2306 (2010).
3. K. L. Gee and S. D. Sommerfeldt, "Undergraduate and graduate acoustics education at Brigham Young University," J. Acoust. Soc. Am. 128(4), p. 2306 (2010).
4. T. W. Leishman, "Measuring the in situ acoustic impedance of a loudspeaker enclosure," J. Acoust. Soc. Am. 128(4), p. 2338 (2010).

1. B. Moser, B. E. Anderson, and K. L. Gee, "Loudspeaker line array educational demonstration," Am. Assoc. Phys. Teach., Portland, OR, p. 61 (2010).

1. B. E. Anderson, M. Griffa, T. J. Ulrich, P.-Y. Le Bas, R. A. Guyer, and P. A. Johnson, "Crack localization and characterization in solid media using time reversal techniques," Am. Rock. Mech. Assoc., #10-154 (2010).

1. B. E. Anderson, T. J. Ulrich, R. A. Guyer, and P. A. Johnson, "Time reversal source localization of long duration signals in a laboratory sample with implications to Earth processes," Seism. Res. Lett. 81(2), p. 367 (2010).

1. R. Rust, J. Blotter, S. Sommerfeldt, and K. Gee, "Active noise control of multiple cooling fans," J. Acoust. Soc. Am. 127(3), p. 1737 (2010).
2. K. L. Gee, J. H. Giraud, and J. D. Blotter, "Near-field energy-based measurements of small solid rocket motors," J. Acoust. Soc. Am. 127(3), p. 1743 (2010).
3. Z. A. Collins, K. L. Gee, S. D. Sommerfeldt, and J. D. Blotter, "Interior Fourier near-field acoustical holography using energy density," J. Acoust. Soc. Am. 127(3), p. 1771 (2010).
4. J. H. Giraud and K. L. Gee, "Directivity indices for rocket noise modeling: Measurement considerations," J. Acoust. Soc. Am. 127(3), p. 1772 (2010).
5. E. Herrera, D. Pilkey, K. L. Gee, J. H. Giraud, and D. J. Young, "Rocket motor microphone investigation," J. Acoust. Soc. Am. 127(3), p. 1773 (2010).
6. C. V. Duke, S. D. Sommerfeldt, and K. L. Gee, "Active control of axial fan noise using a multiple-input multiple-output feedback controller," J. Acoust. Soc. Am. 127(3), p. 1838 (2010).
7. T. B. Neilsen, K. L. Gee, J. M. Downing, and M. M. James, "Characterization of near- and far-field nonlinearity in high-performance military jet aircraft noise," J. Acoust. Soc. Am. 127(3), p. 1876 (2010).
8. M. M. James, K. L. Gee, A. T. Wall, J. M. Downing, K. A. Bradley, and S. A. McInerny, "Aircraft jet source noise measurements of a Lockheed Martin F-22 fighter jet using a prototype near-field acoustical holography measurement system," J. Acoust. Soc. Am. 127(3), p. 1878 (2010).
9. A. T. Wall, K. L. Gee, and M. D. Gardner, "Application of near-field acoustical holography to high-performance jet aircraft noise," J. Acoust. Soc. Am. 127(3), p. 1879 (2010).
10. J. A. Vernon, K. L. Gee, and J. H. Macedone, "Measurements of exploding balloon demonstrations," J. Acoust. Soc. Am. 127(3), p. 1882 (2010).
11. T. Jenny, B. E. Anderson, and J. A. TenCate, "Ultrasonic noise from manmade electrical devices," J. Acoust. Soc. Am. 127(3), p. 1882 (2010).
12. D. Tengelsen, B. E. Anderson, and T. W. Leishman, "On the concept of transient directivity: Pipes and horns," J. Acoust. Soc. Am. 127(3), p. 1942 (2010).
13. J. M. Fisher, D. A. Manwill, J. D. Blotter, S. D. Sommerfeldt, and K. L. Gee, "Relationships between structural energy density, power flow, and their influence on acoustic intensity," J. Acoust. Soc. AM. 127(3), p. 1953 (2010).
14. D. A. Manwill, J. M. Fisher, S. D. Sommerfeldt, K. L. Gee, and J. D. Blotter, "Real-time active control of structural energy density and structural power flow," J. Acoust. Soc. Am. 127(3), p. 1953 (2010).
15. M. E. Jones, K. L. Gee, and J. Grimshaw, "Vibrational characteristics of Balinese gamelan metallophones," J. Acoust. Soc. Am. 127(3), p. 1982 (2010).
16. S. Vanaverbeke, K. Van Den Abeele, B. E. Anderson, and M. Scalerandi, "Imaging multiple masked nonlinear scatterers applying a combination of time reversal principles and the selective source reduction method," J. Acoust. Soc. Am. 127(3), p. 1986 (2010).
17. B. Xu, S. D. Sommerfeldt, and T. W. Leishman, "Insertion loss estimation of an opened enclosure using a statistical ray-tracing model," J. Acoust. Soc. Am. 127(3), p. 2003 (2010).

1. D. Tengelsen, V. Villamizar, B. E. Anderson, T. W. Leishman, "On the radiation and wave propagation of sound within horns," J. Acoust. Soc. Am. 126(4), p. 2198 (2009).
2. J. Farley, B. E. Anderson, "Ultrasonic sound transmission through common building materials," J. Acoust. Soc. Am. 126(4), p. 2243 (2009).
3. J. J. Esplin, B. T. Thornock, T. W. Leishman, "The effects of nonideal microphone directivity patterns on directional impulse response measurements," J. Acoust. Soc. Am. 126(4), p. 2287-2288 (2009).
4. K. L. Gee, "The Rubens tube," J. Acoust. Soc. Am. 126(4), p. 2294 (2009).
5. K. L. Gee, W. J. Strong, S. D. Sommerfeldt, "The Harvey Fletcher years at Brigham Young University," J. Acoust. Soc. Am. 126(4), p. 2294 (2009).

1. K. L. Gee, S. D. Sommerfeldt, T. W. Leishman, B. E. Anderson, and J. D. Blotter, "Improving undergraduate noise control education at Brigham Young University," Proceedings of Inter-Noise 2009, Paper in09_521 (2009).
2. M. D. Gardner, A. T. Wall, K. L. Gee, S. D. Sommerfeldt, D. Manwill, and J. D. Blotter, "Near-field acoustical holography of military jets: Experiments on partially correlated noise sources," Proceedings of Inter-Noise 2009, Paper in09_938 (2009).

1. K. L. Gee, J. H. Giraud, J. D. Blotter, and S. D. Sommerfeldt, "Energy-based acoustical measurements of rocket noise," 15th AIAA/CEAS Aeroacoust. Conf., May 11-13, Paper AIAA 2009-3165 (2009).

1. M. D. Shaw, K. L. Gee, "Acoustical analysis of an indoor test facility for a 30-mm Gatling gun," J. Acoust. Soc. Am. 125(4), p. 2493 (2009).
2. B. Xu, S. D. Sommerfeldt, "Modeling sound transmission through large rectangular openings in a damped enclosure," J. Acoust. Soc. Am. 125(4), p. 2494 (2009).
3. C. V. Duke, S. D. Sommerfeldt, K. L. Gee, "Active feedback control of broadband noise from a small axial fan," J. Acoust. Soc. Am. 125(4), p. 2494 (2009).
4. D. W. Krueger, K. L. Gee, J. Grimshaw, D. Manuel, M. E. Jones, "Acoustic and vibrometry analysis of beating in a large Balinese gamelan gong," J. Acoust. Soc. Am. 125(4), p. 2516 (2009).
5. B. E. Anderson, R. A. Guyer, T. J. Ulrich, P-Y. Le Bas, C. Larmat, M. Griffa, P. A. Johnson, "Energy flux imaging method for time reversal in elastic media," J. Acoust. Soc. Am. 125(4), p. 2521 (2009).
6. B. T. Thornock, T. W. Leishman, "A new method for the measurement of directional sound arrivals in rooms," J. Acoust. Soc. Am. 125(4), p. 2545 (2009).
7. W. J. Strong, "Three decades of wind instrument research at Brigham Young Univ.," J. Acoust. Soc. Am. 125(4), p. 2558 (2009).
8. B. E. Anderson, R. A. Guyer, T. J. Ulrich, P. A. Johnson, "Time reversal of monochromatic signals in elastic media," J. Acoust. Soc. Am. 125(4), p. 2594 (2009).
9. K. L. Gee, B. E. Anderson, T. B. Neilsen, S. D. Sommerfeldt, "Acoustics outreach and scouting: A merit badge proposal," J. Acoust. Soc. Am. 125(4), p. 2626 (2009).
10. S. D. Sommerfeldt, "Wave interaction effects for all ages," J. Acoust. Soc. Am. 125(4), p. 2626 (2009).
11. J. H. Giraud, K. L. Gee, J. E. Ellsworth, D. C. Thomas, "Acoustic temperature measurement in a full-scale rocket noise field," J. Acoust. Soc. Am. 125(4), p. 2631 (2009).
12. M. D. Gardner, K. L. Gee, A. T. Wall, S. D. Sommerfeldt, "Scan-based near-field acoustical holography on partially correlated fields: Theory and numerical experiments," J. Acoust. Soc. Am. 125(4), p. 2634 (2009).
13. A. T. Wall, M. D. Gardner, K. L. Gee, S. D. Sommerfeldt, D. Manwill, J. D. Blotter, "Scan-based near-field acoustical holography on partially correlated fields: Laboratory experiments," J. Acoust. Soc. Am. 125(4), p. 2634 (2009).
14. T. B. Neilsen, K. L. Gee, M. D. Gardner, "Near-field acoustic holography in conical coordinates," J. Acoust. Soc. Am. 125(4), p. 2634 (2009).
15. T. J. Ulrich, P-Y. Le Bas, R. A. Guyer, B. E. Anderson, M. Griffa, K. Van Den Abeele, "Three component time reversal imaging using nonlinear elasticity," J. Acoust. Soc. Am. 125(4), p. 2635 (2009).
16. D. C. Thomas, K. L. Gee, "Wave vector method for estimating acoustic vector quantities," J. Acoust. Soc. Am. 125(4), p. 2636 (2009).
17. C. P. Wiederhold, K. L. Gee, D. C. Thomas, S. D. Sommerfeldt, J. D. Blotter, "Impact of spherical probe scattering on estimation of acoustic vector quantities," J. Acoust. Soc. Am. 125(4), p. 2636 (2009).
18. D. Ripplinger, B. E. Anderson, T. W. Leishman, W. J. Strong, "Acoustical properties of pure sound piano wire," J. Acoust. Soc. Am. 125(4), p. 2684 (2009).

1. M. R. Shepherd, K. L. Gee, "Higher-order statistical analysis of nonlinearly propagated broadband noise," J. Acoust. Soc. Am. 124(4), p. 2491 (2008).
2. M. R. Shepherd, K. L. Gee, M. S. Wochner, "Numerical study of finite-amplitude source reconstruction in one-dimension," J. Acoust. Soc. Am. 124(4), p. 2516 (2008).
3. B. Xu, S. D. Sommerfeldt, "Modified modal analysis for damped enclosures," J. Acoust. Soc. Am. 124(4), p. 2563 (2008).
4. B. Xu, S. D. Sommerfeldt, "Active control of diffuse sound fields using generalized energy density," J. Acoust. Soc. Am. 124(4), p. 2589 (2008).

1. K. L. Gee and S. D. Sommerfeldt, "Global active control of axial cooling fan noise: An overview of past and present research," Proceedings of Noise-Con 2008, Paper nc08_177 (2008).

1. C. V. Duke, S. D. Sommerfeldt, K. L. Gee, C. R. Duke, "Measurement and evaluation of blade passage frequency fluctuations," J. Acoust. Soc. Am. 122(5), p. 2964 (2007).

1. J. K. Thomas, S. P. Lovstedt, J. D. Blotter, and S. D. Sommerfeldt, "Eigenvalue equalization applied to the active minimization of engine noise in a mock cabin," Proceedings of Noise-Con 2007, Paper nc07_340 (2007).
2. C. V. Duke, S. D. Sommerfeldt, K. L. Gee, and C. R. Duke, "Measurement and evaluation of blade passage frequency fluctuations," Proceedings of Noise-Con 2007, Paper nc07_300 (2007).
3. J. Sagers, J. Blotter, and S. Sommerfeldt, "Experimental determination of far field sound power due to panel and vent radiation of a portable diesel generator," Proceedings of Noise-Con 2007, Paper nc07_282 (2007).
4. B. M. Shafer, K. L. Gee, and S. D. Sommerfeldt, "Optimal near-field error sensor locations for active control of fan noise using multipole expansions," Proceedings of Noise-Con 2007, Paper nc07_237 (2007).
5. C. R. Duke, S. D. Sommerfeldt, K. L. Gee, and C. V. Duke, "Optimization of control source location in a free-field active noise control application using a genetic algorithm," Proceedings of Noise-Con 2007, Paper nc07_201 (2007).

1. B. Xu, S. D. Sommerfeldt, “Spatial variation of acoustic energy density in highly damped rectangular enclosures,” J. Acoust. Soc. Am. 121(5), p. 3031-3032 (2007).
2. S. D. Sommerfeldt, T. W. Leishman, “Jiri Tichy and the Penn State-Brigham Young University connection,” J. Acoust. Soc. Am. 121(5), p. 3066 (2007).
3. M. R. Shepherd, K. L. Gee, M. S. Wochner, “Numerical study of finite-amplitude source reconstruction,” J. Acoust. Soc. Am. 121(5), p. 3070 (2007).
4. M. James, M. Downing, S. A. McInerny, K. L. Gee, “Analysis of acoustical nonlinear measures for aircraft flyover data,” J. Acoust. Soc. Am. 121(5), p. 3112 (2007).
5. K. L. Gee, V. W. Sparrow, A. A. Atchley, T. B. Gabrielson, “On the perception of crackle in noise radiated from military jet aircraft,” J. Acoust. Soc. Am. 121(5), p. 3112 (2007).
6. S. H. Swift, K. L. Gee, “Evolution of time-varying loudness during nonlinear propagation of broadband noise,” J. Acoust. Soc. Am. 121(5), p. 3113 (2007).
7. S. S. Tomlinson, R. Anderson, K. L. Gee, S. D. Sommerfeldt, “Demonstration of properties of human hearing using a cochlear analogue,” J. Acoust. Soc. Am. 121(5), p. 3115 (2007).
8. W. J. Strong, “Descriptive acoustics of music and speech,” J. Acoust. Soc. Am. 121(5), p. 3131 (2007).
9. M. D. Gardner, G. Dix, K. L. Gee, J. Giraud, “An investigation of Rubens flame tube measurements,” J. Acoust. Soc. Am. 121(5), p. 3156 (2007).
10. D. C. Thomas, K. L. Gee, R. S. Turley, “Physics of a balloon lens,” J. Acoust. Soc. Am. 121(5), p. 3157 (2007).
11. C. R. Duke, S. D. Sommerfeldt, K. L. Gee, “Optimization of control source locations in an active noise control application of axial cooling fans using genetic algorithms,” J. Acoust. Soc. Am. 121(5), p. 3179 (2007).
12. S. P. Lovstedt, J. Thomas, S. D. Sommerfeldt, J. Blotter, “Eigenvalue equalization applied to the active minimization of energy density in a mock helicopter cabin,” J. Acoust. Soc. Am. 121(5), p. 3179 (2007).
13. B. M. Shafer, K. L. Gee, S. D. Sommerfeldt, J. I. Fjeldsted, “Determination of optimal near-field error sensor locations for active control of cooling fan noise using spherical harmonic expansions,” J. Acoust. Soc. Am. 121(5), p. 3180 (2007).
14. C. R. Duke, S. L. Thomson, S. D. Sommerfeldt, K. L. Gee, C. L. Duke, D. W. Krueger, “Near field placement of error sensors in an active noise control application of axial cooling fans using flow visualization techniques,” J. Acoust. Soc. Am. 121(5), p. 3180 (2007).
15. R. T. Chester, T. W. Leishman, “Further developments in the active control of free-field sound using near-field energy-based error signals,” J. Acoust. Soc. Am. 121(5), p. 3180 (2007).

1. R. Chester, T.W. Leishman "Active control of free-field sound using near-field energy-based error signals," J. Acoust. Soc. Am. 120(5), 3198 (2006).
2. B. Xu and S. D. Sommerfeldt, "Theoretical analysis of statistical properties of the sound-pressure field and sound energy density field in rectangular enclosures," J. Acoust. Soc. Am. 120(5), 3012 (2006).
3. X. Chen, T. W. Leishman, S. D. Sommerfeldt, and B. M. Faber, "Equalization of a one-dimensional sound field with a movable source," J. Acoust. Soc. Am. 120(5), 3095 (2006).
4. S. Nissen, K. Boucher, and M. Parson, "Patterns of snticipatory lingual coarticulation in typically developing children," J. Acoust. Soc. Am. 120(5), 3134 (2006).
5. B. M. Shafer, K. L. Gee, S. D. Sommerfeldt, and C. V. Duke, "Near-field mapping of pressure fields during active noise control of small axial cooling fans," J. Acoust. Soc. Am. 120(5), 3198 (2006).
6. J. Thomas, S. P. Lovstedt, J. Blotter, S. D. Sommerfeldt, N. S. Serrano, and A. Egelston, "Active noise control simulations using minimization of energy density in a mock helicopter cabin," J. Acoust. Soc. Am. 120(5), 3287 (2006).
7. T. W. Leishman, "Alternative metrics for the directivity of acoustic sources," J. Acoust. Soc. Am. 120(5), 3263 (2006).

1. J. D. Sagers, J. D. Blotter, and S. D. Sommerfeldt, "Passive noise control techniques for a diesel engine power-generation facility," Proceedings of Inter-Noise 2006, Paper in06_464 (2006).
2. J. R. Oldham, J. D. Blotter, and S. D. Sommerfeldt, "Development of a calibrator for simultaneous calibration of multiple microphones on an acoustic energy density probe," Proceedings of Inter-Noise 2006, Paper in06_402 (2006).

1. S. D. Sommerfeldt, "Using energy-based control to achieve global attenuation," Proceedings of Active 2006, Sept. 18-20, Paper a06_067, Invited (2006).

1. K. L. Gee, M. Shepherd, et al. "Analysis of high-amplitude jet noise using nonlinearity indicators," J. Acoust. Soc. Am. 119(5), 3384 (2006).
2. A. Boone, J. Blotter, S. D. Sommerfeldt, T. W. Leishman, "Using a scanning laser Doppler vibrometer to measure acoustic intensity," J. Acoust. Soc. Am. 119(5), 3389 (2006).
3. M. Green, S. D. Sommerfeldt, "Global active control of broadband noise from small axial cooling fans, Part 2," J. Acoust. Soc. Am. 119(5), 3411 (2006).
4. X. Chen, T. W. Leishman, "Simultaneous equalization of a loudspeaker and a room: Insights from a one-dimensional model," J. Acoust. Soc. Am. 119(5), 3281 (2006).
5. D. Nutter, T. W. Leishman, J. Abbott, "Energy-based field quantities in reverberation chamber measurements," J. Acoust. Soc. Am. 119(5), 3431 (2006).
6. T. Neilsen and M. Isakson, "Estimation of poroelastic parameters from measured reflectivity," J. Acoust. Soc. Am. 119(5), 3225 (2006).

1. M. Shepherd, T. W. Leishman, S. Utami, "Acoustics of a planetarium," J. Acoust. Soc. Am. 118(3), 1999 (2005).
2. T. W. Leishman, "Alternating methods for assessing the omnidirectionality of sources for room acoustics measurements," J. Acoust. Soc. Am. 118(3), 2030 (2005).
3. D. C. Copley, B. Faber, S. D. Sommerfeldt, "Energy density active noise control in an earthmoving machine cab," J. Acoust. Soc. Am. 118(3), 1951 (2005).

1. M. C. Harris, J. D. Blotter, S. D. Sommerfeldt, and H. E. De Bree, "Nearfield acoustic holography using energy-based measurements," Proceedings of IDETC/CIE 2005, Sept. 24-28 (2005).
2. J. J. Chatterley, S. D. Sommerfeldt, J. D. Blotter, A. J. Boone, C. C. Smith, and T. L. Lago, "Sound quality testing and analysis of multiple brands of sewing machines," Proceedings of IDETC/CIE 2005, Sept. 24-28 (2005).

1. S. Rollins, T. W. Leishman,  "Preservation of the acoustics of the Salt Lake Tabernacle," J. Acoust. Soc. Am. 117(4), 2524 (2005).
2. C. Duke, S. D. Sommerfeldt, "Multi-channel active noise control on an axial fan using variable loads," J. Acoust. Soc. Am. 117(4), 2449 (2005).
3. M. J. Green, S. D. Sommerfeldt, "Global active control of broadband noise from small axial cooling fans," J. Acoust. Soc. Am. 117(4), 2450 (2005).
4. T. Neilsen, M. Isakson, B. Xu, "Frequency dependence of posterior probability distributions for Biot parameters," J. Acoust. Soc. Am. 117(4), 2496 (2005).
5. B. Xu, T. Neilsen, "Posterior probability distributions for Biot parameters from experimental data," J. Acoust. Soc. Am. 117(4), 2443 (2005).
6. M. C. Harris, J. D. Blotter, and S. D. Sommerfeldt, "Implementation of a near field acoustic holography system based on pressure and velocity measurements," J. Acoust. Soc. Am. 117(4), 2546 (2005).
7. J. J. Chatterley, A. J. Boone, J. D. Blotter, and S. D. Sommerfeldt, "Sound-quality analysis of sewing machines," J. Acoust. Soc. Am. 117(4), 2449 (2005).

1. D. Nutter, M. Shepherd, T. W. Leishman, B. Shafer, "Effect of diffusers and low-frequency absorption on modal density of two reverberation chambers," J. Acoust. Soc. Am. 116(4), 2501 (2004).
2. M. Shepherd, X. Chen, T. W. Leishman and S.D. Sommerfeldt, “Experimental equalization of a one-dimensional sound field using energy density and a parametric equalizer," J. Acoust. Soc. Am. 116(4), 2591 (2004).
3. B. Monson, S. D. Sommerfeldt, "Optimal configurations for active control of axial fans," J. Acoust. Soc. Am. 116(4), 2623 (2004).
4. J. Chatterley, A. Boone, J. Blotter, S. D. Sommerfeldt, T. Lago, "Sound-quality analysis of sewing machines," J. Acoust. Soc. Am. 116(4), 2591 (2004).
5. M. C. Harris, J. D. Blotter, S. D. Sommerfeldt, "Development of a near-field acoustic holography system based on pressure and velocity measurements," J. Acoust. Soc. Am. 116(4), 2626 (2004).
6. J. Hill, J. D. Blotter, T. W. Leishman, "Harsh environment windscreen analysis and design," J. Acoust. Soc. Am. 116(4), 2618 (2004).
7. T. W. Leishman, G. Dix, "Additional modeling details for the suspension of a moving-coil loudspeaker," J. Acoust. Soc. Am. 116(4), 2619 (2004).
8. S. L. Nissen, B. L. SMith, A. Bradlow, and T. Bent, "Accuracy and variability in vowel targets produced by native and non-native speakers of English," J. Acoust. Soc. Am. 116(4), 2604 (2004).

1. B. B. Monson and S. D. Sommerfeldt, "Global active control of tonal noise from small axial cooling fans," Proceedings of Active 2004, Sept. 20-22, Paper a04_039 (2004).
2. B. M. Faber and S. D. Sommerfeldt, "Global control in a mock tractor cabin using energy density," Proceedings of Active 2004, Sept. 20-22, Paper a04_039 (2004).

1. S. Rollins, T. W. Leishman, "Acoustical measurement of the Salt Lake Mormon Tabernacle," J. Acoust. Soc. Am. 115(5), 2477 (2004).
2. H. Smith, T. Leishman, "Numerical evaluation of the omnidirectional behavior of regular polyhedron loudspeakers," J. Acoust. Soc. Am. 115(5), 2525 (2004).
3. X. Chen, S. D. Sommerfeldt, T. W. Leishman, "An adaptive equalization scheme using acoustic energy density," J. Acoust. Soc. Am. 115(5), 2612 (2004).
4. B. B. Monson, S. D. Sommerfeldt, C. Duke, "Active noise control of small axial cooling fans," J. Acoust. Soc. Am. 115(5), 2498 (2004).
5. L. L. Locey, B. L. Woolford, S. D. Sommerfeldt, J. D. Blotter, "Error analysis and implementation issues for energy density probe," J. Acoust. Soc. Am. 115(5), 2576 (2004).
6. M. C. Harris, J. D. Blotter, S. D. Sommerfeldt, "Free field reconstruction using energy density measurements," J. Acoust. Soc. Am. 115(5), 2576 (2004).
7. S. S. Utami, "An acoustical analysis of a room with a concave done ceiling element," J. Acoust. Soc. Am. 115(5), 2581 (2004).

1. B. Faber, S. D. Sommerfeldt, "System identification and energy-based active noise control performance," J. Acoust. Soc. Am. 114(4), 2332 (2003).
2. S. Rollins, T. W. Leishman, G. Dix, "Experimental evaluation of the omnidirectional behavior of platonic polyhedron loudspeakers," J. Acoust. Soc. Am. 114(4), 2343 (2003).
3. T. W. Leishman, "Vibration-controlled modules for use in active segmented partitions," J. Acoust. Soc. Am. 114(4), 2385 (2003).
4. T. W. Leishman, "Research in the field of active sound transmission control," J. Acoust. Soc. Am. 114(4), 2390 (2003).
5. S. D. Sommerfeldt, P. Remington, "Active control of low-speed turbofan tonal noise," J. Acoust. Soc. Am. 114(4), 2385 (2003).
6. H. Smith, T. W. Leishman, "Computer modeling of a large fan-shaped auditorium," J. Acoust. Soc. Am. 114(4), 2411 (2003).
7. L. L. Locey, S. D. Sommerfeldt, "Analysis and comparison of three energy density probe designs," J. Acoust. Soc. Am. 114(4), 2443 (2003).
8. X. Chen, T. W. Leishman, S. D. Sommerfeldt, "Equalization of a one-dimensional sound field using acoustic energy density," J. Acoust. Soc. Am. 114(4), 2460 (2003).

1. G. Dix, K. L. Gee, and S. D. Sommerfeldt, "Design and implementation of an automated intensity scanning system at the Acoustical Testing Lab of the NASA Glenn Research Center," Proceedings of Noise-Con 2003, Paper nc02_202, Invited (2003).
2. B. M. Faber and S. D. Sommerfeldt, "Active control of energy density in a mock cabin," Proceedings of Noise-Con 2003, Paper nc02_204, Invited (2003).

1. P. Remington, D. Sutliff, and S. D. Sommerfeldt, "Active control of low-speed fan tonal noise using actuators mounted in stator vanes: Part 1 Control system design and implementation," 9th AIAA/CEAS Aeroacoust. Conf. and Exhibit, May 12-14, Paper AIAA 2003-3190 (2003).

1. L. L. Locey, T. W. Leishman, S. D. Sommerfeldt, B. E. Anderson, "Comparison of echo criteria for a large fan-shaped auditorium," J. Acoust. Soc. Am. 113(4), 2189 (2003).
2. T. W. Leishman, B. E. Anderson, "Derivation of moving-coil loudspeaker parameters using acoustical testing techniques: Theoretical developments," J. Acoust. Soc. Am. 113(4), 2201 (2003).
3. B. E. Anderson, T. W. Leishman, "Derivation of moving-coil loudspeaker parameters using acoustical testing techniques: Experiment results," J. Acoust. Soc. Am. 113(4), 2202 (2003).

1. B. E. Anderson, T. W. Leishman, "An acoustical measurement method for the derivation of loudspeaker parameters," presented at the 115th Conv. of the Audio Eng. Soc. #5865, (2003).

1. B. Faber, S. D. Sommerfeldt, "Active minimization of acoustic energy density in enclosed sound fields," J. Acoust. Soc. Am. 112(5), 2302 (2002).

1. K. L. Gee and S. D. Sommerfeldt, "Multi-channel active control of axial cooling fan noise," Proceedings of Inter-Noise 2002, Paper N616, Invited (2002).

1. B. E. Anderson, W. J. Strong, "The effect of inharmonic partials on pitch of piano tones," J. Acoust. Soc. Am. 111(5), 2394 (2002).
2. L. Ireland, S. D. Sommerfeldt, "Numerical model for multi-mode active control of turbofan noise," J. Acoust. Soc. Am. 111(5), 2452 (2002).
3. K. L. Gee, S. D. Sommerfeldt, "Multi-channel active control of axial cooling fan noise," J. Acoust. Soc. Am. 111(5), 2453 (2002).
4. T. Leishman, G. Dix, H. Smith, and A. Tygerson, "An investigation of platonic polyhedron loudspeaker systems as omnidirectional sources of sound," J. Acoust. Soc. Am. 111(5), 2332 (2002).