Chaosmancer
Legend
At a high level, yes, I agree that the designers intended the 2024 rules to be able to resolve a character attempting to prevent enemies from locating them by sound.
Great so we should be able to stop here.
But since the subject effectively isn't discussed in the 2024 PHB, I have no idea how they intended the new rules to be used to resolve such attempts.
Do you want advice on that from the community? Or do you want to complain because WoTC left the specifics to the individual situation?
On the one hand, if they're keeping the 2014 assumption that creatures know the location of anyone they can see or hear, then active effort would typically be required to become or remain unheard. But the rules funnel attempts at "sneaking past a guard" to the Hide action, which only mentions keeping quiet as a requirement to keep the Invisible condition.
Which is clearly following an obvious pattern. The stealth skill covers it, so the hide action covers it. You don't need to roll a medicine check to stitch a wound, then a separate medicine check to make sure you sterilized the materials and disinfected the wounds. And the rules for the Help Action (which covers medicine) do not state anything about how the medicine skill is used. That is because if you are rolling the skill, the assumed check is against all aspects of the skill.
This is in tension with the Invisibility spell, which also provides the Invisible condition but with no requirement to remain quiet. How then would a character with the Invisible condition from the Invisibility spell go about becoming unheard? Do they need to successfully take the Hide action like they would in the 2014 rules, redundantly obtaining the Invisible condition, but this time able to lose the extra copy of the condition if they make noise above a whisper? That seems to be the most functional approach, but it's clunky at best, and in any event it's is a non-obvious reading of the rules. I can't imagine someone new to D&D who reads the 2024 rules casting the Invisibility spell expecting to need to follow it up with an action that on its face merely provides a more-limited version of the Invisible condition. So maybe the Hide action wasn't intended to be how one resolves attempts to become/remain unheard? Or maybe merely hearing a creature isn't enough to locate them in the 2024 rules? Or maybe something else? I just don't know how it was intended to be run from the PHB text we've seen so far.
It seems this comes from a very simple question. Well, two.
1) Is there a reason to suspect the invisible character makes noise? A wizard in light cotton robes with soft-soled shoes in a stone hallway... likely not a lot of reason to suspect they are making a lot of noise. A heavily armored paladin walking through crunchy leaf litter? Might be making a lot more noise.
2) Are they attempting to hide? Yeah, rolling stealth doesn't give them a new condition... but it is perfectly fine for that to cover "how noisy are you being" in regards to the invisibility spell. Because if you are not attempting to hide... then you are not being quiet. There isn't a new condition, because the entire thing is based on the specific circumstances. I wouldn't have a rogue moving invisibly through a fort full of screaming drill sergeants roll to see if he is too loud, but a large, armored bear squeezing through a passage? Yeah, that's a stealth check because there is a good chance that someone hears that. I'm resolving a question, not implementing a condition. Same as how I'd roll to see if a bard sang particularly well at the King's Banquet. There is no condition for that, I'm using the skill to resolve a question.