arts: arts (Analog Realtime Synthesizer) arts: arts: aRts is the core sound system for KDE, and is short for "analog arts: realtime synthesizer". aRts is designed to create or process sound arts: using small specialized modules. These may create a waveform, play arts: samples, filter data, add signals, perform effects (like delay, arts: flanger or chorus), or output the data to the soundcard. arts: arts: arts: arts: