spectrogram

A visual representation or photographic record of a spectrum, often used in acoustics and physics to analyze frequencies.

• 🇫🇷Représentation visuelle ou enregistrement photographique d'un spectre, souvent utilisé en acoustique et en physique pour analyser les fréquences.

1. Photographic record of a spectrum C1 formal scientific

   A photographic or digital image that displays the spectrum of a light source, showing the distribution of light intensity across different wavelengths.

   • The astronomer analyzed the spectrogram to identify the chemical composition of the star.
   • A spectrogram of the sun reveals absorption lines from various elements.
   • The lab technician captured a spectrogram of the laser beam.

   🇫🇷Spectrogramme d'un spectre lumineux

2. Visual representation of sound C1 formal scientific

   A visual representation of the spectrum of frequencies in a sound or other signal as they vary with time.

   • The linguist used a spectrogram to study the vowel sounds in the recording.
   • The software generated a spectrogram of the bird's song.
   • By examining the spectrogram, the engineer could identify the noise source.

   🇫🇷Spectrogramme

   Synonymes: sonogram

• spectrograms plural form
• spectrograms' possessive plural form
• spectrogram's possessive singular form