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Mystery Signal of the Month   Nov 12 2000
We've got signal, but what the heck is it?
That's your mission.  Analyze this bébé.
 

mystery spectrogram                                                                                                                                                          

download the audio file 3.wav.gz

hints :

  • Setup baudline to be a Netscape helper application as described in the FAQ.
  • Turn on the 60 Hz notch filter in the play deck.
  • Use the Digital Gain Boost in the play deck to increase the volume of this quiet signal.  Up to +0 dB of gain can be added before clipping occurs.
  • Try playing the mystery signal at different speeds, slow it down or drop it an octave.
  • Loop on the transitional points, play it again and again until you start to hear things.



What is it?

Click here for the answer.

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