audio frequency
LowTechnical
Definition
Meaning
A frequency of sound waves that is audible to the average human ear.
Any frequency within the audible range of approximately 20 Hz to 20,000 Hz; also used as an adjective to describe electronic signals or equipment operating within this range.
Linguistics
Semantic Notes
Primarily a technical term from acoustics and electronics. When used as an adjective (e.g., 'audio frequency amplifier'), it specifies a device's operational range.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences; the term is identical in both varieties.
Connotations
Neutral technical term in both contexts.
Frequency
Equally low-frequency and technical in both dialects.
Vocabulary
Collocations
Grammar
Valency Patterns
operate at [an] audio frequencygenerate [an] audio frequencyfilter out audio frequenciesconvert to audio frequencyVocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Rare; might appear in technical specifications for audio products.
Academic
Common in physics, engineering, and music technology papers.
Everyday
Extremely rare; laypeople would say 'pitch' or 'sound wave'.
Technical
Standard term in electronics, acoustics, and audio engineering manuals.
Examples
By Part of Speech
adjective
British English
- The engineer tested the audio frequency response of the new speaker.
- We need an audio frequency oscillator for the lab.
American English
- The design requires an audio-frequency filter.
- Adjust the audio frequency modulation settings.
Examples
By CEFR Level
- Human hearing works within a specific audio frequency range.
- Dogs can hear sounds at a higher audio frequency than people.
- The microphone's manual lists its precise audio frequency response curve.
- An audio frequency signal can be converted back into sound by a speaker.
- The oscillator was calibrated to generate a pure 1 kHz audio frequency for the acoustic test.
- Interference from a nearby power supply introduced artefacts into the audio frequency spectrum.
Learning
Memory Aids
Mnemonic
AUDIO = you hear it. FREQUENCY = how often it vibrates. Combine: a vibration rate you can hear.
Conceptual Metaphor
Sound as a measurable wave; hearing as a frequency range.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid calque 'аудио частота' in non-technical contexts; use 'звуковая частота'.
- Do not confuse with 'radio frequency' (радиочастота).
Common Mistakes
- Using 'audio frequency' to refer to the loudness/volume of sound (it's about pitch/rate).
- Spelling as one word ('audiofrequency' is less common).
Practice
Quiz
What is the typical upper limit of human audio frequency perception?
FAQ
Frequently Asked Questions
Related but not identical. 'Pitch' is the subjective perception of a sound's frequency, while 'audio frequency' is the objective, physical measurement.
Yes, commonly in technical contexts (e.g., 'audio frequency amplifier'). It is often hyphenated as 'audio-frequency' when used attributively.
The common abbreviation is 'AF', used in technical labelling and diagrams (e.g., 'AF signal').
It defines the operational range for devices like microphones, speakers, and hearing aids, ensuring they process signals humans can hear.