Jianpu Numbered Notation

This plugin displays Chinese Jianpu Numbered Notation.

1 middle octave (default MIDI number =60, =C4 )
.1 one octave above
:1 two octaves above
.:1 three octaves above
::1 four octaves above
.::1 five octaves above

1. one octave lower
   1: two octaves lower
   1:. three octaves lower
   1:: four octaves lower
   1::. five octaves lower