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For an introductory audio lesson, I want students to compare several exports of one short passage. The source would be a short generated instrumental, with the original retained throughout the exercise. Students would first describe what they hear before looking at any visual representation. I found mp3 to spectrogram as a possible reference while planning the visual part. We would then compare documented export settings using the same passage and a consistent playback level. Students should not assume that a difference in the display proves a problem with the source. I am considering a worksheet that records what was heard, how it was exported, and remaining uncertainties. There would be no requirement to repair the clip or produce a supposedly perfect version. Students would record the software used for each export so that their comparison can be repeated later. What simple controls would make this exercise understandable for a beginner class? |
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