74614688
Dec 23, 1994
Aug 19, 1997
add on computer CD-quality audio printed circuit board containing integrated circuits featuring (i) 16 bit recording and playback of files, (ii) FM (frequency modulation) synthesizer, (iii) microphone, stereo line-in and CD audio interfaces, (iv) MIDI (musical instruments digital interface) interface, (v) joystick port, and (vi) stereo amplifier and mixer; photo CD compatible CD-ROM (read only memory) drive; stereo headphones; and computer operating software sold in kit form with multimedia software providing (a) control of sound files, (b) text-to-speech conversion, (c) speech recording recognition, (d) wave editing and mixing, (e) object linking and embedding, and (f) pre-recorded encyclopedia information
Electrical and Scientific Apparatus