osc custom (originated => http://www.g200kg.com/jp/docs/webaudio/oscillator.html)
Freq(Hz)
Level
Set
real1
real2
real3
real4
real5
real6
real7
real8
real9
imag1
imag2
imag3
imag4
imag5
imag6
imag7
imag8
imag9