Education Technology

Science: Forensics Case 3 - Name That Tune: Matching musical tones through waveform analysis
by Texas Instruments

Published on June 17, 2010


In this activity, students analyze sound waves to calculate the frequency or pitch of musical notes. They use a Microphone to detect the waveform of a musical note. Students calculate the frequency of a musical note from the period of its waveform and use this knowledge to identify the musical notes that make up the combination to a safe.

Key Steps

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    Students make graphs of musical notes to catch a thief who cracked the sound-based combination of the safe containing valuable jewels. This requires finding the period of the waveforms from the graphs and then calculating the frequency of each note.