What is another word for spectrogram?
Pronunciation: [spˈɛktɹəɡɹˌam] (IPA) 
A spectrogram is a visual representation of sound that displays the frequency content of an audio signal over time. There are several synonyms for spectrogram, including sonogram, sound spectrograph, and audio spectrum analyzer. A sonogram is a type of spectrogram that specifically refers to visual representations of ultrasonic frequencies used in medical imaging. A sound spectrograph is a term popularized in the early days of audio analysis and refers to the use of specialized instrumentation for measuring and visualizing sound. An audio spectrum analyzer is another term used to describe a device that displays the frequency content of an audio signal by breaking it down into various frequency bands.
