Department Publications

Author:

Timothy Leishman, All Years

2023

42. Low-frequency directional characteristics of a gamelan gong

    Samuel David Bellows^†, Dallin T. Harwood^‡, Kent L. Gee, and Timothy W. Leishman

    183rd Meeting of the Acoustical Society of America, (Nashville, TN, December 2022). Proc. Meet. Acoust. 50 (1), 035003 (2023).
    Proceedings
    
43. Optimal Microphone Placement for Single-Channel Sound-Power Spectrum Estimation and Reverberation Effects

    Samuel D. Bellows^† and Timothy W. Leishman

    J. Audio Eng. Soc. 71 (1/2), 20-33 (2023).
    Journal
    

2022

40. Modeling and measurements of organ pipe sound radiation

    Samuel D. Bellows^† and Timothy W. Leishman

    Proceedings of the 24th International Congress on Acoustics, (Gyeongju, Korea, October 2022).
    Proceedings
    
41. A spherical beamforming algorithm for acoustic centering and phase correction of source directivities

    Samuel D. Bellows^† and Timothy W. Leishman

    Proceedings of the 24th International Congress on Acoustics, (Gyeongju, Korea, October 2022).
    Proceedings
    
42. Modeling musician diffraction and absorption for artificially excited clarinet directivity measurements

    Samuel David Bellows^† and Timothy Ward Leishman

    182nd Meeting of the Acoustical Society of America, (Denver, CO, May 2022). Proc. Meet. Acoust. 46 (1), 035002 (2022).
    Proceedings
    
43. Effect of Head Orientation on Speech Directivity

    Samuel D. Bellows^† and Timothy W. Leishman

    Proc. Interspeech 2022, pp. 246-250 (2022).
    Proceedings
    

2021

36. Obtaining far-field spherical directivities of guitar amplifiers from arbitrarily shaped arrays using the Helmholtz equation least-squares method

    Samuel David Bellows^‡ and Timothy W. Leishman

    179th Meeting of the Acoustical Society of America, Acoustics Virtually Everywhere, (December 2020). Proc. Meet. Acoust. 42 (1), 055005 (2021).
    Proceedings
    
37. High-resolution spherical directivity of live speech from a multiple-capture transfer function method

    Timothy W. Leishman, Samuel D. Bellows^†, Claire M. Pincock^‡, and Jennifer K. Whiting^†

    J. Acoust. Soc. Am. 149 (3), 1507-1523 (2021).
    Journal
    
38. Acoustic source centering of musical instrument directivities using acoustical holography

    Samuel D. Bellows^† and Timothy W. Leishman

    179th Meeting of the Acoustical Society of America, (online, December 2020). Proc. Meet. Acoust. 42 (1), 055002 (2021).
    Proceedings
    

2020

33. Single-channel sound power estimation for reverberation effects

    Samuel Bellows^† and Timothy Leishman

    Proceedings of the 149th Audio Engineering Society Convention, Paper Number: 10413  (Online, October 2020).
    Proceedings
    
34. Spherical harmonic expansions of high-resolution musical instrument directivities

    Samuel David Bellows^‡ and Timothy Ward Leishman

    176th Meeting of Acoustical Society of America, 2018 Acoustics Week in Canada, (Victoria, Canada, November 2018). Proc. Meet. Acoust. 35 (1), 035005 (2020).
    Proceedings
    

2019

31. High-Resolution Analysis of the Directivity Factor and Directivity Index Functions of Human Speech

    Samuel Bellows^‡ and Timothy Leishman

    The 146th Convention of the Audio Engineering Society, (Dublin, Ireland, March 2019).
    Proceedings
    
32. Effects of added absorption on the vocal exertions of talkers in a reverberant room

    Michael K. Rollins^‡, Timothy W. Leishman, Jennifer K. Whiting^†, Eric J. Hunter, and Dennis L. Eggett

    J. Acoust. Soc. Am. 145 (2), 775-783 (2019).
    Journal
    

2017

29. Effects of simultaneous sound arrivals on direction-of-arrival estimates of the polar energy time curve

    Brian T. Thornock^†, Timothy W. Leishman, Brian E. Anderson, and J. James Esplin^†

    Appl. Acoust. 117 (A), 167-172 (2017).
    Journal
    

2015

28. Classroom acoustics for vocal health of elementary school teachers

    Jennifer K. Whiting^†, Zachary R. Jensen^†, Timothy W. Leishman, Mark L. Berardi^‡, and Eric J. Hunter

    Proc. Meet. Acoust. 23 (1), 015001 (2015).
    Proceedings
    
29. Teachers and Teaching: Speech Production Accommodations Due to Changes in the Acoustic Environment

    Eric J. Hunter, Pasquale Bottalico, Simone Graetzer, Timothy W. Leishman, Mark L. Berardi^‡, Nathan G. Eyring^‡, Zachary R. Jensen^†, Michael K. Rolins^‡, and Jennifer K. Whiting^†

    6th International Building Physics Conference, IBPC 2015  (Turin, Italy, June 2015). Energy Procedia 78, 3102-3107 (2015).
    Proceedings
    
30. 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).
    Proceedings
    
31. Talking, Teaching, and Listening: Gender differences in teachers' responses to acoustic environments

    Eric J. Hunter and Timothy W. Leishman

    EuroNoise 2015 (Maastricht, Netherlands, June 2015), pp. 721-726.
    Proceedings
    

2014

24. Finite-difference simulations of transient radiation from a finite-length pipe

    Daniel R. Tengelsen^†, Brian E. Anderson, Vianey Villamizar, and Timothy W. Leishman

    J. Acoust. Soc. Am. 135 (1), 17-26 (2014).
    Journal
    

2013

23. An extended lumped-element model and parameter estimation technique to predict loudspeaker responses with possible surround-dip effects

    Jason D. Sagers^†, Timothy W. Leishman, and Jonathan D. Blotter

    J. Acoust. Soc. Am. 134 (5), 3580-3593 (2013).
    Journal
    
24. Evaluation of moving-coil loudspeaker and passive radiator parameters using normal-incidence sound transmission measurements: Theoretical developments

    Timothy W. Leishman and Brian E. Anderson^†

    J. Acoust. Soc. Am. 134 (1), 223-236 (2013).
    Journal
    
25. 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).
    Proceedings
    

2012

20. 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).
    Journal
    
21. Instantaneous frequency tracking of partials of a string vibrating at large amplitudes using a high speed camera

    David C. Ripplinger^†, Brian E. Anderson, and Timothy W. Leishman

    J. Utah Acad. Sci. 88, 428-443 (2012).
    Proceedings
    

2011

18. The effects of non-cardioid directivity on incidence angle estimation using the polar energy time curve

    J. James Esplin^†, Brian E. Anderson, Timothy W. Leishman, and Brian T. Thornock^†

    J. Acoust. Soc. Am. 130 (4), EL244-EL250 (2011).
    Journal
    
19. Generalized acoustic energy density

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

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

2010

16. Active sound transmission control of a double-panel module using decoupled analog feedback control: Experimental results

    Jason D. Sagers^†, Timothy W. Leishman, and Jonathan D. Blotter

    J. Acoust. Soc. Am. 128 (5), 2807-2816 (2010).
    Journal
    
17. 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).
    Proceedings
    

2009

14. 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).
    Journal
    
15. A double-panel active segmented partition module using decoupled analog feedback controllers: Numerical model

    Jason D. Sagers^†, Timothy W. Leishman, and Jonathan D. Blotter

    J. Acoust. Soc. Am. 125 (6), 3806-3818 (2009).
    Journal
    

2008

12. Active Sound Transmission Control of an Experimental Double-Panel Partition Using Decoupled Analog Feedback Control

    Jason Sagers^†, Jonathan D. Blotter, and Timothy W. Leishman

    Noise Control and Acoustics Division Conference, ASME 2008 Noise Control and Acoustics Division Conference (Dearborn, Michigan, July, 2008)
    Proceedings
    

2007

11. 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).
    Journal
    

2006

10. An experimental evaluation of regular polyhedron loudspeakers as omnidirectional sources of sound

    Timothy W. Leishman, Sarah Rollins^†, and Heather M. Smith^†

    J. Acoust. Soc. Am. 120 (3), 1411-1422 (2006).
    Journal
    
11. 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).
    Journal
    
12. 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).
    Journal
    

2005

7. An experimental investigation of two active segmented partition arrays

   T. W. Leishman and J. Tichy

   J. Acoust. Soc. Am. 118 (5), 3050-3063 (2005).
   Journal
   
8. A theoretical and numerical analysis of vibration-controlled modules for use in active segmented partitions

   T. W. Leishman and J. Tichy

   J. Acoust. Soc. Am. 118 (3), 1424-1438 (2005).
   Journal
   
9. An experimental investigation of two module configurations for use in active segmented partitions

   T. W. Leishman and J. Tichy

   J. Acoust. Soc. Am. 118 (3), 1439-1451 (2005).
   Journal
   
10. Design and Construction of an Underground TEM Lab at Brigham Young University

    J. K. Farrer, R. R. Vanfleet, R. C. Davis, F. C. Anderson, and T. W. Leishman

    Microsc. Microanal. 11 (S02), 892-893 (2005).
    Journal
    

2003

3. An Acoustical Measurement Method for the Derivation of Loudspeaker Parameters

   Brian E. Anderson^† and Timothy W. Leishman

   115th Conv. Audio Eng. Soc., (New York, NY, October 2003)
   Proceedings
   
4. On the significance of reflection coefficients produced by active surfaces bounding one-dimensional sound fields

   Timothy W. Leishman and Jiri Tichy

   J. Acoust. Soc. Am. 113 (3), 1475-1482 (2003).
   Journal
   

1997

1. A fundamental investigation of the active control of sound transmission through segmented partition elements

   Timothy W. Leishman and Jiri Tichy

   Proceedings of Noise-Con 97, (1997, University Park, PA), Vol. 2., pp. 137–148.
   Proceedings
   

^‡Undergraduate Student Author

^†Graduate Student Author