DJ Turntable Play a looping sample with a realistic turntable. The sample can be scratched by the finger, played faster, slower and backwards. The speed of the disk can be adjusted with the speed slider, the default 1x speed can be obtained by double clicking the speed slider knob. Dj Turntable includes cutoff and resonance to alter the sample in real time. The knobs are rotated by moving the finger up and down on top of the them.