The Head in Sound Space.
Illustration of how sound the travelling of sound to the two ears can
play a role in determining direction.
Time of Arrival and Phase.
Use headphones to experience how the time of arrival or difference in
phase between the two ears can be an a cue to the direction of the
Use headphones to illustrate to how the relative intensity of sounds in
the two ears can influence the perception of direction of a sound.
Illusion. Just as a staircase can be drawn that always appears
to ascend and repeat itself, so Roger Shepherd devised a set of tones
that can be played in a scale that repeats itself. Each tone
appears to be the next higher note in the scale and yet the scale
repeats. Try it out here.