Two closely spaced loudspeakers can create very convincing virtual images for a single listener provided their inputs are carefully matched to be almost equal and opposite. For a virtual image position well outside the angle spanned by the loudspeakers, the two inputs must be substantially out of phase regardless of how the listener's head is modeled.
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.