AudioSource.PlayClipAtPoint
static function PlayClipAtPoint(clip: AudioClip, position: Vector3, volume: float = 1.0F): void;
Parameters

clip Audio data to play.
position Position in world space from which sound originates.
volume Playback volume.
Description

Plays an AudioClip at a given position in world space.

This function creates an audio source but automatically disposes of it once the clip has finished playing.
	@script RequireComponent(AudioSource)

public var clip : AudioClip; //make sure you assign an actual clip here in the inspector

function Start() { AudioSource.PlayClipAtPoint(clip, new Vector3 (5, 1, 2)); }