Listen / Perception DC of a human standing still

[Peebo Pickle Pardfart]

If a person (human) is standing still - say in total darkness and a PC/NPC is next to him what is the Listen/Perception check DC.

A Hide/Stealth does quite seem appropriate.

[Jal Dorak]

By the rules, a Move Silently check is made to intentionally be quiet, so that would work there. In total darkness there is no chance of making a Spot check.

If you are using PRPG rules, it clearly states you cannot see a creature in total concealment by lighting.

[DitheringFool]

Peebo Pickle Pardfart wrote:

If a person (human) is standing still - say in total darkness and a PC/NPC is next to him what is the Listen/Perception check DC.

A Hide/Stealth does quite seem appropriate.

Assuming this is some kind of in-game situation, I like always making something hard but not unlikely. Lets say the searcher is a halfling Rogue that has stuff like Alertness or Blind Fighting and max ranks in his perception skills. Then I would make him roll a Listen against a DC 5-10 points higher than his Listen. You reward his choices.

If this is a dwarven barbarian that suffers from sobriety, then go with a DC about 17+ points higher than his Listen. You reward his roleplaying choices too! Remember a 20 always wins and makes the game seem more epic when it hits.

If everyone in the party tries the check (which mine always likes to do) then favor the most likely. The perceptive Listen expert should be the one to hear the unhearable.

[Nero24200]

It would be a flat DC (Since there are flat DC's to hear somthing not moving) and it's probably be a high one since the character is effectivly trying to hear someone breathe. If the target isn't breathing or otherwise not making any noise then it's impossible to find using listen.

[dakuth]

This is actually fairly easy:

It would be a stealth check to determine the base DC with:

(from invisibility rules)
+40 for being invisible (effectively) and standing still.
+20 if they move

Making the DC somewhere in the realm of 50-odd.

That's to determine "someone is there".

As per "The Rules of the Game" by Skip Williams, to pin-point the exact 5-foot square they are in is another 20: http://www.wizards.com/default.asp?x=dnd/rg/20040921a

Making the final DC to attack someone in complete darkness standing perfectly still...

~70. Clearly epic-level stuff, understandbly I hope :)

To go on a tangent:

+1 to the DC for each 10-feet you are from them (in this case it was 5-feet, so nothing there) and if you move through their square I'd rule a 50% chance you realise something was in that square (i.e. miss chance) Actually, to be honest, I'd be lazy and just rule they know :) But 50% seems better.

Stealth Check+20(invis)+20(standing still)+20(pinpoint)+1(per 10feet) = DC

[Hunterofthedusk]

I don't think that invisibility should affect a listen perception check at all. With move silently/stealth, I think they would add a bonus for standing still if they thought it was appropriate, but I think it's essentially the same thing as moving at half-speed. Making it an effectively impossible act (because seeing an invisible person goes under the impossible=+20 to DC rule) is unrealistic (despite how much people hate that word on here).

EDIT: keeping in mind that the OP was talking about knowing someone was there, not pinpointing them for an attack