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voice frequencies | |
gen. | Sprechfrequenzen |
voice frequency | |
gen. | Sprechfrequenz |
meas.inst. | Niederfrequenzfilter |
phys. | Hörfrequenz |
tech. | Niederfrequenz; Sprachfrequenz; Tonfrequenz |
voice-frequency | |
commun. | tonfrequent |
line signalling | |
el. | Leitungssignalisierung |
system | |
gen. | Methode |
voice-frequency : 61 phrases in 9 subjects |
Communications | 25 |
Electronics | 12 |
Information technology | 14 |
Medical appliances | 1 |
Physics | 2 |
Power lines | 1 |
Telecommunications | 3 |
Telegraphy | 2 |
Telephony | 1 |