The Hypertension Singing Bowl was shaped from a year of the author’s blood pressure readings, and 3D printed in stainless steel so it would ring. This digitally fabricated singing bowl is an “ultimate particular” that establishes the design space of Acoustic Sonifications. This paper presents early experiments with Acoustic Sonification and analyses them using an Annotated Portfolio to identify interaction, perception, aesthetics and contemplation as important axes of the domain. This illustrates how Annotated Portfolios could also be used to analyse New Interfaces for Musical Expression.

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