Method and apparatus for displaying music piece data such as...

Method and apparatus for effecting and evaluating action upon vi

Method and apparatus for generating musical accompaniment signal

Method and apparatus for interactively monitoring a physiologica

Method and apparatus for interactively monitoring a physiologica

Method and apparatus for providing a portable visual display

Method and apparatus for providing interactive karaoke...

Method and apparatus for providing interactive karaoke...

Method and apparatus for providing interactive karaoke...

Method and apparatus for taking school attendance

Method and system for music training

Method and system for music training

Method for automatically starting execution and ending execution

Method for remotely controlling a display of information from a

Method of communication by e-mail

Method of instructing/tutoring using full motion tutor/instructo

Method of managing information files in a communication karaoke

Method of operating a karaoke network system with system program

Method of simulating activities for infants and very young child

Methods and apparatus for generating and processing synthetic an