When the listener moves slightly to the side, however, this phantom channel disappears or is greatly reduced.

"It has to do with creating a musical narrative," Sylvian says, "as the listener is moving from location to location."

There was a sudden pound of horses' hoofs and the listener moved swiftly.

Unlike conventional (stereo) reproduction, the virtual sources do not move along if the listener moves in the room.

After a while, the listener moved to the corner of the room.

But it never quite works properly, because when the listener instinctively moves his head, the sound rotates as well.

A non-diffuse sound space would have considerably different reverberation time as the listener moved around the room.

Often, when a character speaks intimately, the listener moves along the outside wall of the dollhouse, as if on the edge of the speaker's consciousness.

His listeners agreed and moved on.

KFUO began as a listener supported station, but moved to a commercial format several years ago.