Area

Finding peaks in an Audio spectrogram

Finding peaks in an Audio spectrogram
  1. How do you calculate peaks?
  2. How do you know the amplitude from a spectrogram?

How do you calculate peaks?

Peak area calculation. A peak consists of a number of counts in adjacent channels. In principle, therefore, measurement of peak area is simply the summation of a number of channel contents over all channels within the peak, G. Subtract the underlying continuum, B to create a net area count (A) instead of the gross area ...

How do you know the amplitude from a spectrogram?

In the spectrogram view, the vertical axis displays frequency in Hertz, the horizontal axis represents time (just like the waveform display), and amplitude is represented by brightness.

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