🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ1331774· pop 29· linked from 415 articlesfundamental frequencylowest frequency of a periodic waveform, such as soundAvailable in 29 languagesEspañolFrançaisDeutsch中文日本語PortuguêsItalianoالعربيةहिन्दीAfrikaansAzerbaijaniConnectionsstring instrumentEntitystanding waveEntityCategoriesAcousticsFourier analysisMusical tuningSpectrum (physical sciences)