However, Schulhof is also listed as co-inventor on another U.S. patent (6,549,942), and a fifth U.S. patent (5,914,941) references 5,557,541 and was assigned (as were the other four patents) to Audio Highway Media Corporation (a company co-founded and led by Schulhof when the patents were filed and/or issued).6,549,942: Enhanced delivery of audio data for portable playback; and 5,914,941: Portable information storage/playback apparatus having a data interface. Audio Highway's Listen Up Player, the father of the MP3 player, won an Innovation Award from the Consumer Electronics Show in 1997 and a 1998 People's Choice Award at the 2nd annual Internet Showcase conference, held Jan. 30, 1998 and presented by Upside Media, Inc. and event host and co-founder, David Coursey.Because of his very early patents for a downloadable portable media player, Schulhof is often thought of as the father of the MP3 player.
