Terms for subject Measuring instruments containing Audio

English	German
audio alarm system	akustische Warnanlage
audio alarm system	Tonwarnanlage
audio-frequency	Hörfrequenz
audio-frequency current	tonfrequenter Strom
audio-frequency filter	Niederfrequenzfilter
audio-frequency filter frequency	Niederfrequenzfilter
audio-frequency meter	Tonfrequenzmesser
audio-frequency spectrometer	Tonfrequenzspektrometer
audio frequency switch	Niederfrequenzschalter
audio-frequency trans-former	Tonfrequenzübertrager
audio-frequent	tonfrequent
audio trap	Tonsperrkreis