Return the available MIDI input port and output port names, as arrays of strings.
Convert the given integer MIDI pitch to a note name string.
Convert the given noteName string to a MIDI integer pitch.
Convert the given binary message, an array containing integer
values, to a string of hex bytes separated by spaces.
Returns the current time in terms of milliseconds since program start. This is the time base used for sending delayed messages and timestamps of incoming messages.
Establishes a callback function to be called synchronously to the MIDI
clock. time is specified in absolute time as returned by the
currentTime() function, passed to the application from callbacks and
specified in message sending functions.