That was a terrible pun, I'm sorry but it had to be done and yes, EVE does indeed have sound.
The patch notes for the latest release on Tuesday 8th March don't make mention of the change but introduced was a noise, categorized as a "dong", when a target lock is lost. Check the patch notes and you'll see nothing for the sound but there is mention of a graphical change:
The UI bracket is now animated when an enemy target is destroyed.
It's been mentioned a lot on Reddit and I'd agree it is a most annoying and distracting noise and there has been something of a current to get it changed, added as specific sound option or just plain removed.
Seems CCP is in a phase of listening to feedback and this appeared (overnight for me) on the Official Forums:
All Hail The