D-Beam
The D-Beam Controller is a Roland Synthesizers interface that controls sound and effects via hand movements interacting with an infrared beam of light .
The D-Beam Controller allows musicians to control Roland MC-505, Roland MC-808, Roland MC-909, Roland GW-7 & other Roland Corporation products its effects, sounds and note information with hand and body movement through an invisible, infrared beam of light. D-Beam effects include "Turntable," which can be used to control BPM tempo by raising or lowering the hand over the light beam; "Cutoff & Resonance," which simultaneously controls a sound's cutoff frequency and resonance parameters according to subtle hand motion; and "Ad Lib," which allows for improvising melodies using one of 21 preset scales. In addition to greatly increasing the units expressive capabilities, the D-Beam controller enhances the onstage, visual aspects of performance. And better yet, all D-Beam control information can be transmitted from the units via MIDI. Speaking of effects, the features three independent, synchronizable onboard effects processors, offering powerful reverb, chorus and delay sounds, as well as new cutting-edge effects like: "Radio Tuning," which makes patterns sound as if they are playing over the air; "Phonograph," for simulating record player noise; and "Slicer" for creating rhythmic permutations of sounds. In all, 24 insert effects complement the dedicated reverb and delay effects, with rate parameters automatically sync'd to tempo.
- One instrument very expressive to the Roland Corporation D-Beam Controller's, was invented by a Russian. The inventor's name was Léon Theremin in 1919, and it is unique in that it was the first musical instrument designed to be played without being touched. This instrument was called a Theremin or thereminvox, name after the inventor.
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