Short description of StationPlaylist Studio 4.21: Low-cost digital audio playout software for radio broadcasting and Internet streaming. Features include # Automation and Live Assist mode # Mic control with music fade # Play live feeds from external sources # Add current song playing to your website # 96 cart slots for instant jingles # voice track/intro overlapping # Advanced automatic crossfading using 1 soundcard # Stream in AAC+, MP3, Ogg, WMA codecs # automatic time announcement support.