Sonifikation in der Musik

John A. Dribus

The Other Ear

2004 / Denton/Texas / Parameter Mapping / EEG-Data

"The human auditory system is capable of assimilating large

amounts of information in short periods of time. However, in

order to allow that information to be understood, it must be

delivered in such a way that much of it can be readily

grasped. Through careful mapping of data streams to

common musical parameters often found in electronic

composition, The Other Ear presents EEG data in a form that

should be accessible to listeners who are at least somewhat

familiar with this compositional idiom.

The Other Ear was realized through the use of an additive

synthesis engine, by mapping the provided EEG data

recorded from a subject listening to music. The goal of this

project was to present the data accurately in regard to its

temporality and other features, while simultaneously

rendering it as an aesthetically pleasing musical



The usual compositional elements such as pitch, texture,

form, and timbre were given serious consideration. Since

each of these musical elements (and others) had to be

generated and driven by the data provided, careful

consideration of the shape and contour of each data file was

considered prior to mapping. Data channels were mapped to

sonic parameters based upon the appropriateness of the data

plot's contour to the unique function of musical element

being generated. For example, in this sonification it seemed

most effective to map irregular, rapidly changing data files

to panning functions, while more linear and static data files

were mapped to frequency and volume. The distribution of

data channels among the different musical parameters was

also determined in part by the design of the synthesis




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