Why Modern Hold Music Sounds Worse
Tom Scott · Explainer · YouTube title: Hold music used to sound better. Here's why.
Why it's here
HN links it as the standard answer to why phone hold music sounds poor.
What it covers
Tom Scott explains why hold music sounds worse than it used to, tracing it to old telephone exchanges and the audio compression applied by modern switches. It is a short visit to the Milton Keynes Museum.