Has anyone taught a practical lesson that compares lossless audio with compressed versions of the same source? I plan to use a short generated instrumental and keep its original export available to everyone. The first task would ask students to write listening notes before opening a visual display. I found [url=https://sunofixer.top]mp3 to spectrogram[/url] as a possible reference while planning the visual part. For the comparison, I would keep the chosen passage fixed and check playback levels carefully. Students should not assume that a difference in the display proves a problem with the source. A worksheet could separate audible observations, export settings, and questions that remain unresolved. I would assess the quality of the explanation instead of asking students to improve the audio. 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?