A method and apparatus for providing multiple clients simultaneous access to a sound input/output (I/O) data stream. The present invention provides a method and apparatus for providing multiple programming data structures and multiple patch points in a list, in which each of the patch points are positioned...http://www.google.de/patents/US5384890?utm_source=gb-gplus-sharePatent US5384890 - Method and apparatus for providing multiple clients simultaneous access to a sound data stream
