Waveform vs. Spectrogram

Waveformnoun

(mathematics) The shape of a wave function represented by a graph showing some dependent variable as function of an independent variable.

Waveformnoun

The shape of a physical wave, such as sound, electric current or electromagnetic radiation, or its representation obtained by plotting a characteristic of the phenomenon (such as voltage) versus another variable, often time.

Waveformnoun

the shape of a wave illustrated graphically by plotting the values of the period quantity against time

Waveform

In electronics, acoustics, and related fields, the waveform of a signal is the shape of its graph as a function of time, independent of its time and magnitude scales and of any displacement in time.In electronics, the term is usually applied to periodically varying voltages, currents, or electromagnetic fields. In acoustics, it is usually applied to steady periodic sounds—variations of pressure in air or other media.

Spectrogramnoun

A visual representation of the spectrum of a sound changing through time.

Spectrogramnoun

(astronomy) A visual representation of the spectrum of a celestial body's radiation.

Spectrogramnoun

A photograph, map, or diagram of a spectrum.

Spectrogramnoun

a photographic record of a spectrum

Spectrogram

A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams.