| 摘要 |
A manual keyboard is provided or alternatively the instrument may be automatic. It includes a hemispherical dome having 102 audio channels, including amplifiers and loudspeakers attached to a support structure. - A spherical dome may be included as an alternative having 180 audio channels distributed at 15 deee intervals over the surface. Sounds emitted form the spatially distributed channels are controlled by photo-electronic devices associated with the instrument keyboard.(0/5)
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