Information processing device and method, and program

An information processing method that causes an information processing device to:

• acquire listener position information on a viewpoint of a listener;
• acquire position information on a first reference viewpoint, object position information on a first object at the first reference viewpoint, position information on a second reference viewpoint, object position information on the first object at the second reference viewpoint, and object position information on a second object;
• and
• calculate position information on the first object at the viewpoint of the listener on a basis of the listener position information, the position information on the first reference viewpoint, the object position information on the first object at the first reference viewpoint, the position information on the second reference viewpoint, and the object position information on the first object at the second reference viewpoint.

A program that causes a computer to:

• acquire listener position information on a viewpoint of a listener;
• acquire position information on a first reference viewpoint, object position information on a first object at the first reference viewpoint, position information on a second reference viewpoint, object position information on the first object at the second reference viewpoint, and object position information on a second object;
• and
• calculate position information on the first object at the viewpoint of the listener on a basis of the listener position information, the position information on the first reference viewpoint, the object position information on the first object at the first reference viewpoint, the position information on the second reference viewpoint, and the object position information on the first object at the second reference viewpoint.