Estados Unidos
When Yang-Hann Kim received the Rossing Prize in Acoustics Education at the 2015 meeting of the Acoustical Society of America, he stressed the importance of offering visual depictions of sound fields when teaching acoustics.1 Often visualization methods require specialized equipment such as microphone arrays2 or scanning apparatus.3 We present a simple method for visualizing angular dependence in sound fields, made possible via the confluence of sensors available via a new smartphone app4 that the authors have developed.
The versatility of smartphones for use in introductory physics experiments has been demonstrated in several education circles such as in The Physics Teacher and elsewhere.5–8 The motivation for the new app described here arose while trying to “assemble” a set of experiments suitable for an electro-acoustics course for general education students.
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