Page 4 - Winter 2020
P. 4

  Spring 2021 Volume 17, Issue 1 8 From the Editor
Featured Articles
43 One Singer, Two Voices Johan Sundberg, Björn Lindblom,
and Anna-Maria Hefele
An Acoustical Society of America publication
Sound Perspectives
61 Awards and Prizes Announcement
62 Ask an Acoustician: Zoi-Heleni Michalopoulou
Zoi-Heleni Michalopoulou and Micheal L. Dent
65 A Sound Plan for Attracting Students of Color
Tyrone Porter
67 Hearing and Speech Research at the NIDCD
Debara L. Tucci
Departments 71 Obituaries
James David Miller | 1930–2020 Jeffrey A. Nystuen | 1957–2020 Ann Kristen Syrdal | 1945–2020
74 Advertisers Index, Business Directory, Classifieds
Computational Methods and Techniques Across Acoustics
Grant C. Eastland
Ultrasonic Hearing in Cats and Other Terrestrial Mammals
M. Charlotte Kruger, Carina J. Sabourin, Alexandra T. Levine, and Stephen G. Lomber
The Ins and Outs of Baby Talk
Linda Polka and Yufang Ruan
Psychoacoustics of Tinnitus: Lost in Translation
Christopher Spankovich, Sarah Faucette, Celia Escabi, and Edward Lobarinas
Global Positioning Systems: Over Land and Under Sea
Lora J. Van Uffelen
  About the Cover
Depiction of positioning of a GPS receiver using trilateration. Graphic copyright ©2021 Mark B. Weinberg, Potomac, MD. All rights reserved. More of the artist’s work can be seen at
 4 Acoustics Today • Spring 2021

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