This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Spectrumgstring. sound spectrum analysis of violin's String using the OscilloMeter program the frequency of pitch the volume and time Observe the peaks at the foreground The other low points are background noise The interesting thing is that the pitch that we hear is the peak at around but the other peaks are overtones that contribute