Over the last few decades there have been numerous explorations of sonification, a concept that may be loosely defined as communicating nonaudio information as sound. As with any developing field, there comes a time when a formal structure is needed to provide a framework for understanding the collection of ad hoc experiments. To make the mapping between data and sound more explicit and less prone to misunderstandings, a sonification operator has been suggested. The authors created “notation modules” to formulate this mapping for various fields. An example of a specific sonification operator in the field of physics is given. Nine subjects from research were used in a study to evaluate the experience of this formalism.
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