Not exactly what is meant by cross fading, but surprised nobody has mentioned esound yet. It can fade multiple audio sources. And such. http://www.tux.org/~ricdude/overview.html This jack audio server thing looks very interesting too. I have meaning to try this for some time. "It can connect a number of different applications to an audio device, as well as allowing them to share audio between themselves." http://jackit.sourceforge.net/ More stuff http://linux-sound.org/ http://www.vlug.org/linux/links/Audio-Video/
