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The loudness of a signal, often measured in decibels (dB). Humans perceive changes in the amplitude of a sound wave as changes in volume. In the Kaleidoscope oscillogram view, shown in red, amplitude is indicated by the vertical span of the waveform. In the spectrogram view, shown in green and yellow, amplitude is indicated by colour brightness.

In the spirit of reconciliation, Faunatech acknowledges the Traditional Custodians of Country throughout Australia and their connections to land, sea and community. We pay our respect to Elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.