On Fri, 30 Nov 2018 22:01:58 -0000, wrote:

On Friday, 30 November 2018 21:15:56 UTC, Mark Lloyd wrote:

I have wished that sound was the absence of silence. That is, you could
place a silence-emitting device next to someone, and then couldn't hear
the snoring.

That technology has been around for a long time.

Noise cancelling technology. It doesn't actually emit silence or absorb sound, but emits a sound which cancels the existing sound. Like making waves in water to cancel the others.