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Meta Trumpet
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The Meta Trumpet
A meta trumpet for Rajesh Mehta
by Sukandar Kartadinata

This trumpet is an acoustic/electronic hybrid instrument. It is the first gluiph-based design and only employs a small number of sensors. The center box contains a 2-D gyro sensor that is used to measure yaw and pitch. The yellow leather sleeve around the horn houses a small display and a set of simple touch buttons that select different operating modes. The trumpet also stands out thru its trombone-like slide that allows a pitch change of a minor third. This extension is measured with an ultra-sound system.

An important aspect for Mehta was wireless operation so he would be free to move around on the stage. With the gluiph and an integrated RF unit, he now doesn't even need a "tech table" but can transmit directly to the house system. However, the need for a battery with its considerable weight didn't allow the gluiph to be mounted right next to the trumpet, so an extra belt-mounted box became necessary. On the other hand this will make it easier to handle his other trumpets that we plan to equip with sensors.

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