Since the theme is noisy feedback, I have to mention this old project: "Peep (The Network Auralizer): Monitoring your network with sound" (https://web.archive.o

Since the theme is noisy feedback, I have to mention this old project: "Peep (The Network Auralizer): Monitoring your network with sound" (https://web.archive.org/web/20220930162655/peep.sourceforge.net/intro.html https://web.archive.org/web/20220930162655/peep.sourceforge....), discussed here some time ago (https://news.ycombinator.com/item?id=33017337 https://news.ycombinator.com/item?id=33017337).