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Record 1 1981-05-22

English

Subject field(s)
  • Acoustics (Physics)
OBS

Using a method known as "envelope analysis" it is possible to produce a special frequency spectrum which gives such amplitude variations [for noises not found in a normal frequency spectrum].

French

Domaine(s)
  • Acoustique (Physique)
OBS

Une méthode dite analyse enveloppe permet d'établir un spectre de fréquence spécial qui donne de telles variations d'amplitude [de certains bruits qui ne se trouvent pas dans un spectre spécial de fréquences].

Spanish

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