Every voice has a unique pattern to it just like fingerprints, and scientists can see this pattern as wavy lines and whorls. In this activity, you’ll be able to turn someone’s voice into a pattern of lines and view their voiceprint.


[am4show have=’p8;p9;p11;p38;p102;’ guest_error=’Guest error message’ user_error=’User error message’ ]


Materials:


  • empty soup can
  • balloon
  • small mirror
  • tape
  • scissors
  • hot glue gun
  • laser or flashlight


You can use this device to identify a recorded voice or a live voice. Detectives use voiceprints to compare and identify a suspect by having the suspect say common words such as a, and, I, is, it, on the, to, we and you and then they compare the recording to find a match.


[/am4show]


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