Drop a WAV here or
Pulse, triangle, or noise. A few cycles is enough; a whole note captures the envelope.
Try a sample
Analysis
original resynthesis
Analyzer notes
Frame macros 60 Hz ·
Hz
Play no MIDI
Upper · Q → I
Octave 4
Q 2 W 3 E R 5 T 6 Y 7 U I · Left Shift down · Right Shift up
Lower · Z → ,
Octave 3
Z S X D C V G B H N J M , · Tab down · \ up