Has anyone taught a practical lesson that compares lossless audio with compressed versions of the same source? A generated instrumental could provide the example, provided students can always return to the original file. Students would first describe what they hear before looking at any visual representation. I found [url=https://sunofixer.top]mp3 to spectrogram[/url] as a possible reference while planning the visual part. The next step would compare export settings while keeping the passage and playback level consistent. I want to avoid teaching that every visible difference identifies a defect in the generated 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. How would you keep this lesson manageable for students learning audio formats for the first time?