Sound Jewelry (2007)

The term "Sound Jewelry" was coined by Iwatake, one of the authers of this paper. The original idea is to create interactive musical objects which are worn like necklaces by people. Each of the "Sound Jewelry" then automatically generates "melody" and according to the distance between the persons wearing it the sounds of "melodies" may be changed or exchanged. On the other hand, Yamauchi, the first author, has been researching into real-time localization systems for multiple agents in a PAN. So it was only natural for the 2 ideas come together. The system is composed of a location system that estimates the location of the "listener" on the wall in an indoor environment, the positions of users with "senders," and a sound system that feeds back into the speakers. In the case that the user enters a zone of the location system, the user's "sender" transmits supersonic waves to the "listeners" on the wall, and the master server measures the position based on the distance estimation subroutine in the middleware layer. After the master server has calculated the position of the users in the location system zone, the results are sent using OSC protocols to the media application located on the application layer. In order to apply the location system media content, we considered the design and implementation of the location system. This system was demonstrated using a sound installation. "Sound Jewelry" is an environment that consists of two layers of sound. In the foreground layer, "melodies" are dynamically generated by measuring the distances between the participants that are wearing sensors. In the background layer, "accompaniments" are automatically generated using the distance data in order to support the ambient environment. When many people move in a 4-by-6 m space, the sound only changes based on the nearest relative distance. However, as the number of people increases, the sound changes become more complex. Sound complexity was used as part of the installation. Users recognized sound changes as they moved in real time in the space.

Full Description

The term "Sound Jewelry" was coined by Iwatake, one of the authers of this installation. The original idea is to create interactive musical objects which are worn like necklaces by people. Each of the "Sound Jewelry" then automatically generates "melody" and according to the distance between the persons wearing it the sounds of "melodies" may be changed or exchanged. On the other hand, Yamauchi, the first author, has been researching into real-time localization systems for multiple agents in a PAN. So it was only natural for the 2 ideas come together.

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