The Sogitec 4X was a digital sound processing workstation developed by

Giuseppe di Giugno Giuseppe Di Giugno (born 1937 in Benghazi) is an Italian physicist. He graduated with a degree in physics from Rome University in 1961. Particle physics From 1961 until 1975, Di Giugno was a researcher in the field of matter-antimatter interacti ...

IRCAM IRCAM (French: ''Ircam, '', English: Institute for Research and Coordination in Acoustics/Music) is a French institute dedicated to the research of music and sound, especially in the fields of avant garde and electro-acoustical art music. It i ...

(Paris) in the 1980s. It was the last large hardware processor before the development of the

ISPW The IRCAM Signal Processing Workstation (ISPW) was a hardware DSP platform developed by IRCAM and the Ariel Corporation in the late 1980s. In French, the ISPW is referred to as the SIM (''Station d'informatique musicale''). Eric Lindemann was th ...

. Later solutions combined control and audio processing in the same computer like

Max/MSP Max, also known as Max/MSP/Jitter, is a visual programming language for music and multimedia developed and maintained by San Francisco-based software company Cycling '74. Over its more than thirty-year history, it has been used by composers, pe ...

. 4X built on the achievements of the earlier Halaphone, capable of timbre alteration and sound localization. Nicolas Schöffer was one of the first users to build his composition method with this computer.

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* Computer music Digital signal processing {{Electronic-musical-instrument-stub