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.
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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.
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