Conference Session

Remote Physical Laboratories: Experimentation and Laboratory-oriented Studies

Collection

2021 ASEE Virtual Annual Conference Content Access

Authors

John Whitefoot, University of Pittsburgh; Jeffrey S. Vipperman, University of Pittsburgh

Tagged Divisions

Experimentation and Laboratory-Oriented Studies

see a measurabledifference in reverberation time between the two states of the room, particularly in the higher-frequency octave bands.The required materials for the lab included: 1) a smart phone with a sound recording app (e.g.,Hi-Q MP3 Voice Recorder), 2) a reverberant room in a home (bathroom or garage), 3) soundabsorbing materials that can be added and removed from room (towels, carpets, curtains,blankets, etc.), and 4) MATLAB with the Signal Processing Toolbox for filtering and dataanalysis, 5) an impulsive sound source, such as a balloon pop or hand clap.The lab handout included basic acoustic theory, including for room acoustics, an explanation ofreverberation time, and how to compute instantaneous sound pressure level, 𝑆𝑆𝑆𝑆𝑆𝑆