Multi-channel audio content is becoming more common, and the number of channels used is increasing, from 5 .1 up to 7.1 and beyond. In a dedicated listening room, this is no problem. In a real home, however, installing the required number of speakers is a significant problem. This paper reviews how these problems have been addressed in the past, then examines and contrasts two more recent solutions: virtual surround sound over two speakers, and the use ofa phased array speaker (sound projector) for beamforming.

Author: Troughton, Paul
Affiliation: 1 Limited, Cambridge, UK
AES Conference: UK 17th Conference: Audio Delivery (April 2002)
Paper Number: 19
Publication Date: April 1, 2002
Subject: Audio Delivery: The Changing Home Experience

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