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ERIC Number: EJ1143104
Record Type: Journal
Publication Date: 2017-Jul
Pages: 4
Abstractor: As Provided
ISSN: ISSN-0031-9120
Free Oscilloscope Web App Using a Computer Mic, Built-In Sound Library, or Your Own Files
Ball, Edward; Ruiz, Frances; Ruiz, Michael J.
Physics Education, v52 n4 Article 045006 Jul 2017
We have developed an online oscilloscope program which allows users to see waveforms by utilizing their computer microphones, selecting from our library of over 30 audio files, and opening any *.mp3 or *.wav file on their computers. The oscilloscope displays real-time signals against time. The oscilloscope has been calibrated so one can make accurate frequency measurements of periodic waves to within 1%. The web app is ideal for computer projection in class.
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A