When different individuals listen to different sound programs in a single room, each person wants to hear his program with a minimum of distraction from the other programs. To achieve this, three methods have been used: low frequencies-active sound (or noise) control; midfrequencies-beam focusing using a loudspeaker array; and high frequencies-directional loudspeaker and passive absorption. Experiments have been done in anechoic, reverberation, and listening rooms.

Authors: Druyvesteyn, W. F.; Garas, J.
Affiliations: Philips Research Laboratories, Eindhoven, The Netherlands ; Technical University Eindhoven, Eindhoven, The Netherlands(See document for exact affiliation information.)
AES Convention: 101 (November 1996) Paper Number: 4325
Publication Date: November 1, 1996
Subject: Sound Reinforcement

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