low frequency

• Terme décrivant une onde sonore ou un signal ayant relativement peu de cycles par seconde, généralement en dessous de 250 Hz, souvent associé à des tons graves et profonds.

A term describing a sound wave or signal with a relatively small number of cycles per second, typically below 250 Hz, often associated with deep, bass-like tones.

1. B2formal

   A range of sound waves with a low number of cycles per second, typically below 250 Hz, perceived as deep or bass sounds.

   basse fréquence

   • Elephants communicate using low frequency sounds that travel long distances.
   • The subwoofer produces powerful low frequency bass.
   • Low frequency noise can be felt as vibrations rather than heard.

2. C1formal

   A band of radio waves with frequencies between 30 kHz and 300 kHz, used for long-distance communication.

   basse fréquence

   • Low frequency radio waves can penetrate water and are used for submarine communication.
   • Navigation systems often rely on low frequency signals.
   • The station broadcasts on a low frequency band.

3. Rare occurrenceB2informal

   An event or situation that happens infrequently or rarely.

   faible fréquence

   • Earthquakes of this magnitude are a low frequency event.
   • His visits to the city are of low frequency these days.
   • Low frequency errors in the system are hard to reproduce.