aRts, which stands for analog Real time synthesizer,'s an audio framework that's no longer under development. It's most famous for previously being used in KDE (series 2 and 3) to simulate an analog synthesizer. A key component of aRts's the sound server which mixes several sound streams in realtime. The sound server, called artsd (d for daemon),'s also utilized as the standard sound server for KDE2–3. However, the sound server isn't dependent on KDE and can be used in other projects. It'… (More on Arts)