A "High Pitch" sound is best suited for active fish and lures that are in continuous motion- such as Rattle Traps, Aruku Shads, and other Cranks that you might want to "burn". High Pitched lures/Cranks are usually the loudest sound and typically have the most ball bearings- including BB-sized up to dime-sized ball bearings.
An "LRS" or "low rumble sound" lure is best suited for active OR inactive fish. They have NO BB-sized ball bearings and are found in a variety of Cranks and lures. Low rumble sound lures are more subtle than High Pitched lures and (today) I would consider them a "neutral" or "Goldilock's" sound- not too high, not too low. They will attract fish in a variety of "moods".
An "SSB", "one knock" or "single steel ball" sound is subtler YET. Having only one steel ball (about the size of a dime), these are best suited for quieter situations when the fish are spooky OR where fishing pressure is an issue.
"Silent" lures are the most unobtrusive and have zero ball bearings. These are best used when fishing pressure is VERY high and water clarity is 5 FT plus.
Of course, there are no "set rules" in fishing- Some days they AREN'T spooky (and are very active) and will only take Silent lures. It all depends on the mood of the fish that day- (or, if your Small-mouth Fishing, that HOUR! lol)
Hope this helps clarify the sound situation?