Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
spectrogram
This term is primarily used in technical, scientific, and engineering contexts, specifically within acoustics, signal processing, and linguistics. It describes a three-dimensional data plot where time is on one axis, frequency is on another, and the intensity or amplitude is represented by color or shading. It is a precise tool for analyzing non-stationary signals where the frequency content changes over time.
In a practical sense, it differs from a simple spectrum (which shows frequencies at a single moment) by providing a temporal map. Users of this term are typically researchers, audio engineers, or biologists studying bioacoustics, such as analyzing the complex patterns of animal vocalizations or speech patterns in phonetics.
Meanings
Examples
The researcher analyzed the spectrogram to identify the bird species.
Look at this spectrogram and tell me where the noise begins.
A spectrogram allows us to see the frequency components of a sound over time.
I wonder if the spectrogram will show any hidden patterns in the signal.
The audio engineer adjusted the filter after reviewing the spectrogram.
The forensic expert used a spectrogram to verify the voice recording.
This spectrogram clearly shows the harmonic structure of the vowel.
The software generates a real time spectrogram of the incoming audio stream.