Curated OER
Building Polymer Cup Speakers
High schoolers investigate sound waves and they build audio speakers. In this audio speakers and sound lesson, students explore how to make quality audio speakers. As a team they build their own speakers to have clarity in sound, quality...
University of Maryland
University of Maryland: Thinking Problems With Sound
A series of thought-provoking multiple-choice questions from the University of Maryland on the topic of sound and acoustics. One question pertains to the acoustics of a furnished room with two speakers; demands a basic understanding of...
Other
Silcom: Room Acoustics
A detailed discussion on the effect of reflection and absorption of sound waves by walls upon the audio quality of a room. Methods for inspecting the quality of a room are given and discussed.