Audio frequency
Definition
The frequency of an acoustic wave or an alternating electrical signal falling within the spectrum perceptible by the normal human ear, located between the approximate limits of 20 Hz and 20,000 Hz; audio frequency. In electronics, it defines the oscillation band processed by amplifiers and speakers.
Bilingual Equivalents
- Audio frequency
- Audible rate
Grammatical & Source Details
| Inflection Type | Feminine noun, regular plural and case structural inflections. |
| Formation | Technical compound combining the prefixoid 'audio-' with the standard noun 'frecvență' (frequency). |
| Spelling / Pronunciation | [a.u.di.o.frek.ˈven.t͡sə] |
| Source | Encyclopedia of Electrical Engineering, Acoustic Signals, and Wave Dynamics |
Contextual Usage Examples
RO: Transformatorul de audiofrecvență joacă un rol crucial în izolarea circuitelor și eliminarea zgomotului de fond din sistem.
EN: The audio frequency transformer plays a crucial role in isolating circuits and eliminating background noise from the system.
RO: Aparatul de măsură a indicat că oscilația semnalului a depășit banda de audiofrecvență, intrând în domeniul ultrasunetelor.
EN: The measuring device indicated that the signal oscillation exceeded the audio frequency band, entering the ultrasound domain.
RO: Filtrele electronice au fost configurate pentru a amplifica doar acele componente de audiofrecvență specifice vocii umane.
EN: The electronic filters were configured to amplify only those audio frequency components specific to the human voice.
Idioms & Phrases
Banda de audiofrecvență / Audio frequency band / audible spectrum
RO: Intervalul standard de oscilații acustice sau electrice pe care echipamentele hi-fi trebuie să îl reproducă cu distorsiuni minime.
EN: The standard interval of acoustic or electrical oscillations that hi-fi equipment must reproduce with minimal distortions.
Amplificator de audiofrecvență / Audio frequency amplifier / AF amplifier
RO: Dispozitiv electronic conceput special pentru a mări intensitatea semnalelor electrice slabe din spectrul audibil înainte de a le trimite spre difuzoare.
EN: An electronic device specially designed to increase the intensity of faint electrical signals within the audible spectrum before sending them to speakers.
Generator de audiofrecvență / Audio frequency generator / AF signal generator
RO: Aparat de laborator utilizat de tehnicieni pentru a produce semnale sinusoidale sau rectangulare etalon destinate testării echipamentelor acustice.
EN: A laboratory apparatus used by technicians to produce standard sinusoidal or square-wave signals intended for testing acoustic equipment.
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