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http://dx.doi.org/10.7776/ASK.2011.30.5.249

Inquiring Activities on the Acoustic Phenomena Using Sound Card in Personal Computer  

Lee, Seung-Koog (한국과학영재학교, 물리지구과학부)
Lee, Jong-Rim (한국과학영재학교, 물리지구과학부)
Kim, Hyun-Byuk (한국과학영재학교, 물리지구과학부)
Kim, Young-H. (한국과학영재학교, 물리지구과학부)
Publication Information
The Journal of the Acoustical Society of Korea / v.30, no.5, 2011 , pp. 249-254 More about this Journal
Abstract
Inquiring activities on the acoustic phenomena have been carried out by using a sound card installed in a personal computer. A sound card is cheaper and more accessible to the students than the precision equipment such as a function generator or an oscilloscope. The students record the sounds from various acoustic phenomena to the sound card. Then they analyze the frequency spectrums of that sounds by using a program. Inquired phenomena include beat by two tuning forks, sound from Rijke tube, pouring sound, breaking of a wine glass and pop-up sound of a wine bottle. Through these activities students perform quantitative analysis of various phenomena due to superposition, resonance and standing wave.
Keywords
Education of acoustics; Sound cards; Inquiry activities;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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