Category
page 1Acoustic measurement

spectrogram
thumb|upright=1.35|Spectrogram of the spoken words "nineteenth century". Frequencies are shown increasing up the vertical axis, and time on the horizontal axis. The legend to the right shows that the color intensity increases with the density.
thumb|upright=1.35|A 3D spectrogram: The RF spectrum of a battery charger is shown over time

beamforming
thumb | right