🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسی한국어中文日本語EntityQ975684· pop 27· linked from 121 articlesacoustic impedancequotient of average sound pressure at a surface and sound volume flow rate through that surfaceConnectionscomplex numberEntitysound pressureEntityCategoriesAcousticsPhysical quantitiesSoundSound measurements