Overtone

Exhibition design

01/2014

01/2014

header

Lydia Hahnawald

Other credits

Other credits

We have developed a concept for an exhibition about "acoustic phenomena". From a lot of research we developed many diverse ideas to present its physical principle. We wanted to explain what overtone is with interaction behaviors. The object was to be applied to a room with 10m x 7m. We built a reactable with projector and camera contacting Laptop.

We have developed a concept for an exhibition about "acoustic phenomena". From a lot of research we developed many diverse ideas to present its physical principle. We wanted to explain what overtone is with interaction behaviors. The object was to be applied to a room with 10m x 7m. We built a reactable with projector and camera contacting Laptop.

"An overtone is any frequency greater than the fundamental frequency of a sound. Using the model of Fourier analysis, the fundamental and the overtones together are called partials."

- wikipedia     

Concept

We separate a sound to the fundamental and 4 overtones through different frequency. People can realize the difference between a sound without and with overtone. People will know more about what role overtone play with interaction behaviors and visual expression.

concept2
structure

TUIO

TUIO

We chose four tones, piano, saxophone, guitar and human. We separated the basic ton from other overtones with different frequencies. Each element has a unique TUIO symbol. The camera can recognize symbols and return data. 

A test verifies the status of Wi-Fi as well as other related data, including canal, frequency and suggestions.

Interaction & Visual

Interaction & Visual

By using TUIO and processing, basic ton and other overtones are represented as tagged objects respectively. When the camera recognizes a symbol, it plays the corresponding sound. Overtones can't be played without a fundamental. With the increase of overtones, people can understand the difference.

A test verifies the status of Wi-Fi as well as other related data, including canal, frequency and suggestions.

sounds
landing-page

INFO cube will lead people to interact with interface. When it connects other symbols, a text box appears to explain the knowledge of fundamental and overtone.

interaction

A single basic tone sounds monotonous, however, if other overtones are added to it, such as the first overtone or the second overtone, the entire voice would be much rounder.

Prototype

table
piano_model

Thanks.

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