Page 4 - Summer 2021

Summer 2021 Volume 17, Issue 2 8 From the Editor
10 From the President Featured Articles
13 “Put a Sock in It!” Mutes for Musical Horns
Murray Campbell, Joël Gilbert, and Arnold Myers
An Acoustical Society of America publication
Sound Perspectives 70 Ask an Acoustician:
Efren Fernandez-Grande
Efren Fernandez-Grande and Micheal L. Dent
73 ASA Outreach in an Online World L. Keeta Jones
75 How Are ASA Students Being Impacted by the Pandemic?
Hilary Kates Varghese, Kieren H. McCord, Mallory Morgan, and Elizabeth Weidner
78 Impact of the SARS-CoV-2 Pandemic on ASA Members
Tracianne B. Neilsen and Bonnie K. Lau
82 Administrative Committee Report: Committee on Ethics and Grievances
Preston S. Wilson
Departments 84 Obituaries
Gerald A. Studebaker | 1932–2018 Neal F. Viemeister | 1944–2020
86 Advertisers Index, Business Directory, Classifieds
40 Advertorial, Sponsored by COMSOL
Simulation of Perforates: An Application of Nonlinear Thermoviscous Acoustics
M. Herring Jensen
23
32 Inaudible Noise Pollution of the
Language Endangerment Threatens Phonetic Diversity
Ettien Koffi
Invertebrate World
Maggie Raboin
42 Twenty-Thousand Leagues Under the Sea: Recording Earthquakes with Autonomous Floats
Frederik J. Simons, Joel D. Simon, and Sirawich Pipatprathanporn
52
61
Evolutions in Marine Mammal Noise Exposure Criteria
Brandon L. Southall
Echo Classification: Statistics of Echo Fluctuations
Timothy K. Stanton, Wu-Jung Lee, and Kyungmin Baik
4 Acoustics Today • Summer 2021
About the Cover
British cartoon, c. 1939. Reproduced from the National Archives Image Library, with permission. Read more about the behavior of mutes for musical horns in “‘Put a Sock in It!’ Mutes for Musical Horns” by Murray Campbell, Joël Gilbert, and Arnold Myers.