We've got signal, but what the heck is it?
That's your mission. Analyze this bébé.
download the audio file 1.wav.gz
hints :
-
Setup baudline to be a Netscape helper application as described
in the FAQ.
-
Ignore the 60 Hz AC power leakage and its harmonics (120 Hz,
180 Hz).
-
Turn on the 60 Hz notch filter in the play deck.
-
Try playing the mystery signal at different speeds, slow
it down or drop it an octave.
-
Measure the harmonic relationships, what are the fundamentals?
What is it?
Click here for the answer. |