Robert van Heumen Composer Improvisor Laptop-Instrumentalist Sound-Designer
Software Developer
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GeluidKrasser v4

Last two years I collaborated with Ivo Bol on a software sampler for his live concerts. Like me, Ivo is an expert LiSa user (STEIM's live sampling software). Unfortunately LiSa cannot run on recent Mac laptops, so Ivo was looking for software to replace certain functionality of LiSa. To my knowledge, there exist no software sampler that treats samples in the very unique way like LiSa did. Years ago I have rebuild my extended LiSa setup in the SuperCollider programming language, and for Ivo I created a stripped down version that I call GeluidKrasser.

"GeluidKrasser is a live sampler with 1 to 6 independent sample players. Each player has a buffer to record live audio or to load sample files from disk. Sound in the buffer can be played back controlled by onscreen controls or using MIDI. Controls include startposition, length and speed of the playback, volume and panning. Audio and MIDI settings can be configured per sampler. A bufferview shows the recorded or loaded sample."

We are already on version 4. It can be found on Github. Let me know if you have any questions or if you have trouble getting it to work.


GeluidKrasser 4 channels



GeluidKrasser 6 channels



LiSa X v1.25