ambisonicadj.

1973 P. Fellgett in Hi-Fi News July 1311/1 There is still a need for a general term referring to either circular or spherical information, and for this purpose we can translate into Latin and say ‘ambisonic’.

1973 New Scientist 20 Dec. 843/1 The CD4 system..is a method of frequency modulating the two channels of a conventional stereophonic LP record so as to provide four separate channels. This leaves open the way in which the channels are to be employed, and the ‘ambisonic’ system can use them optimally.

1980 New Scientist 20 Mar. 929 Ambisonic master recordings are made in the full four-channel format. But the few which have so far been made available as discs or broadcasts have used three channels or less.

1993 Sound & Vision Apr. 5/1 The matrices used in Ambisonic encoding are quite complex, but all such techniques employ some manipulation of phase relationships to encode extra channels into a two-channel format.

2010 Portland (Maine) Press Herald (Nexis) 15 Apr. e18 They used ambisonic microphones, which enable multichannel recording and mixing capabilities, for their first record, ‘Whites Off Earth Now!!’

1976 Gramophone Feb. 1398/2 QS must be compatible with ambisonic reproduction, since RM is itself ambisonically compatible.

2007 B. Blesser & L.-R. Salter Spaces Speak, are you Listening? v. 198 Some music has already been recorded ambisonically.