- Hugh Davies
- , revised by Anne Beetem Acker
(b Berlin, Germany, Aug 3, 1939). German physicist and experimental instrument builder. He and Ulrike Trüstedt (b Altusried, Allgäu, Germany, 24 Feb 1943) formed a duo, performing on electronic instruments of their own design that Dieter has constructed in Munich since 1970. The music is composed by Ulrike, whose scores Touching (1978), Winterfelder (1980), and Windharfen (1981) contain descriptions and illustrations of the instruments.
In Bewegungs-Hologramm (1974), movements within a defined space affect a specially devised synthesizer by producing changes in an ultrasonic field. The Lambdoma (1976–7) is a square board of 144 touch-plates for changing the frequency of a specially constructed small monophonic synthesizer; the plates (about a third of which are duplications) produce different transposition ratios, which control the signal from the oscillator. Between 1975 and 2012 the Trüstedts developed a series of instruments called Chin, partly based on the ...