🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1413664· pop 20· linked from 255 articlesaudio frequencyAlso known as AF, audible frequencyperiodic vibration whose frequency is audible to the average humanAvailable in 20 languagesEspañolDeutsch日本語ItalianoالعربيةBahasa IndonesiaCatalanDanishEstonianFijianGalicianConnectionsnote signEntityabsolute threshold of hearingEntityCategoriesAcousticsAudio engineeringPhysical quantitiesSoundSound measurements