sampler timestretch — the old Akai trick of splicing blocks in and out to change length without changing pitch, pushed past where it holds together. then out through a 12- or 8-bit converter.
drop an audio file here, or click to browse — then drag across the wave to set a loop (or just press play — a demo break is included)
view
[space] play/stop · drag the wave to loop a region — edges trim, inside slides, double-click for all of it · scroll or pinch to zoom, shift-scroll to pan