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Microphone Sound Analyzer JS Model
written by
Wolfgang Christian
The Microphone Sound Analyzer JavaScript Model records the sound from a computer or mobile device microphone and displays its amplitude and frequency spectrum. Users can vary the recording length by selecting the number of data points. The number of points must, however, be a power of 2 in oder to utilize the audio processor's Fast Fourier Transform (FFT) to compute the sound's frequencry spectrum. Because the domain of the computed frequency spectrum is usually too large for audio signals between 20 Hz to 20 kHz, users can set the minimum and maximum values on the graph to display only the range of interest.
The Microphone Sound Analyzer is designed for classroom demonstration and student experimentation. It was developed using the Easy JavaScript Simulations (EjS) version 5.3 and is distributed as a ready-to-run html page and requires only a browser with JavaScript support. This model runs on all platforms, including mobile devices, that support the W3C Media Devices API. https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices
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Record Link
<a href="https://www.compadre.org/portal/items/detail.cfm?ID=15172">Christian, Wolfgang. "Microphone Sound Analyzer JS Model."</a>
AIP Format
W. Christian, Computer Program MICROPHONE SOUND ANALYZER JS MODEL (2019), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103).
AJP/PRST-PER
W. Christian, Computer Program MICROPHONE SOUND ANALYZER JS MODEL (2019), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103>.
APA Format
Christian, W. (2019). Microphone Sound Analyzer JS Model [Computer software]. Retrieved April 28, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103
Chicago Format
Christian, Wolfgang. "Microphone Sound Analyzer JS Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103 (accessed 28 April 2024).
MLA Format
Christian, Wolfgang. Microphone Sound Analyzer JS Model. Computer software. 2019. 28 Apr. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103>.
BibTeX Export Format
@misc{
Author = "Wolfgang Christian",
Title = {Microphone Sound Analyzer JS Model},
Year = {2019}
}
Refer Export Format
%A Wolfgang Christian %T Microphone Sound Analyzer JS Model %D 2019 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103 %O text/html
EndNote Export Format
%0 Computer Program %A Christian, Wolfgang %D 2019 %T Microphone Sound Analyzer JS Model %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15172&DocID=5103 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
The AIP Style presented is based on information from the AIP Style Manual. The APA Style presented is based on information from APA Style.org: Electronic References. The Chicago Style presented is based on information from Examples of Chicago-Style Documentation. The MLA Style presented is based on information from the MLA FAQ. Microphone Sound Analyzer JS Model:
Is Based On
Easy Java Simulations Modeling and Authoring Tool
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