I used to have a script on my WIndoze PC that switched the speaker to 0 on resume from suspend or hibernate. It saved me embarrassment of playing bombastic organ music in a quiet library!
I wonder if I could do the same of Ubuntu. It is in two parts - Detecting when you suspend or resume (I am not bothered which!) - Changing the volume level to 0 (or close to 0). Please avoid answers of the form "ASK AI" or "just Google [ or other search engine] " -- Andrew Black
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