The chdh collective studies image/sound relationships by creating audio and visual algorithmic synthesizers. They mainly use these audiovisual instruments during live performances. Using equations describing natural mechanisms, they generate abstract choreography of particles whose minimalist material reveals underlying structures of great complexity, shaped by strange organic attractors. In search of a synaesthetic radicalism, their hypnotic performances strive on joint movement between image and sound and owe to experimental cinema (form-wise) just as much as to improvised music (performance-wise).

Since the early 2000s, they’ve presented their projects at a hundred venues internationally, especially the Egregore performance (2011), which explores the group movements of a crowd of particles and Morphist (2015), a study of the transitional forms of an abstract substance.

This work also led to two editions: DVD Vivarium (Art Kill Art/Arcadi – 2008) that contains abstract video works as well as software developed for their creation, proposing to “replay” or edit them, and the USB stick Egregore – source (Art Kill Art – 2014), adaptation of the software used for Egregore, which resulted in a remote performance over 120 computers in twenty countries.

Advocates of free software, they freely distribute their projects and the developed tools for their work, particularly the pmpd physical modeling library for Pure Data.

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