更新于2015年08月22日
v2.0.1:
Correct a pitch detection display which was an octave off
v2.0.0:
Add labels for sliders
Bug fix for a sound level slider
Adjust a sensitivity slider
Current pitch and frequency display
(frequency in Premium version only)
v1.2.0:
Add refresh, play and pause button
v1.1.0:
Function addition:
* Select line between points
* Add window functions (hamming and blackman window)
