Control Sound

Psychokinesis [Sonic]
Level: Psion/wilder 2
Manifesting Time: 1 standard action
Range: Medium (100 ft. + 10 ft./ level)
Target: One creature or object
Duration: 1 round/level
Saving Throw: Will negates
Power Resistance: Yes
Power Points: 3
Metapsionics: Extend, Twin

You shape and alter existing sounds, creating a zone of silence around the target. If the target is hostile, it receives a will save and power resistance, otherwise the effect automatically takes place.