by Ezra Jacobs

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Atonotoop is a music composition made by Ezra Jacobs, which was recorded at the wavefield synthesis loudspeaker-system in the Scheltema Complex in Leiden, The Netherlands. This specialized system consists of 192 loudspeakers and allows the user to place sounds with great precision on a two-dimensional plane between the speakers. For this composition, the loudspeaker-system was used to diffuse densely layered masses of sound which would otherwise lose definition and impact on a conventional loudspeaker-system. As a result, the spatial diffusion and the trajectories in which the sound-masses move within the soundfield become integral part of the musical structure. In this compositon, larger sound-masses form the framework; within, layers of smaller tone-events & details have space to develop and provide textural interest.

The title of the piece refers to this mechanism and the central role that sound-spatialization plays: tonotopy describes how a sound's spatial information is picked up by the inner human ear and passed on to the brain - this process occurs in the spiral-shaped cochlea, within which different areas of nerve-tissue correspond to different sound "positions". As a result, the literal "placement" of sound on these areas in the cochlea dictates how we perceive spatial information such as distance, height and angle.


released December 21, 2009

Music: Ezra Jacobs
Video: Bas van Huizen
Design: Jeroen Ijsseldijk



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Etherkreet Amsterdam, Netherlands

Etherkreet is based in The Netherlands and publishes electroacoustic music.

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