Azimuthal-harmonic synthesis generates a universe of matrices (UMX) with maximal input-output asimuthal correlations for two (BMX), three (TMX), four (QMX), etc., intermediary channels. The basic, mono-stereo-compatible BMX accepts augmentation channels converting to TMX, QMX, etc. In quadrasonics, the psychoacoustically discrete TMX essentially equals the fully discrete QMX. The feasibility of multichannel disc, broadcast, and tape is profoundly enhanced by the sufficiency of using 2-kHz-wide augmentation channels.

Authors: Cooper, Duane H.; Shiga, Takeo
Affiliations: University of Illinois, Urbana, IL; Nippon Columbia Co., Ltd., Kawasaki, Japan(See document for exact affiliation information.)
AES Convention: 42 (May 1972) Paper Number: 849
Publication Date: May 1, 1972 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=1805

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