Fecha de publicación: 11/11/1997 Fuente: Wipo "digitalization" To provide an audio reproduction apparatus can save the capacity of a memory, can process audio signals quickly depending on the movement of the head of a listener, and is not affected by conditions in which sounds are picked up, digital audio signals in respective channels from a multichannel digital stereophonic signal source 1, or digital audio signals in respective channels which are converted by A/D converters 3 from analog signals that are inputted to an analog stereophonic signal source 2, and a set of impulse responses digitally recorded in a memory 35 based on an angle of the head of a listener 23 with respect to a reference position, the impulse responses containing corrective characteristics of sound sources and headphones used to measure the impulse responses, are subjected to convolutional integration on a real-time basis by convolutional integrators 5, 7, 9, 11.