low frequency

Noun
  1. 30 to 300 kilohertz (synset 105064533)
    is a type of: radio frequency - an electromagnetic wave frequency between audio and infrared
    is a part of: electromagnetic spectrum - the entire frequency range of electromagnetic waves
    same as: lf
  2. A pitch that is perceived as below other pitches (synset 104993507)
    is a type of: pitch - the property of sound that varies with variation in the frequency of vibration
    subtypes: deepness - a low pitch that is loud and voluminous
    same as: low pitch

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