carbon microphone: meaning, definition, pronunciation and examples
C1-C2Technical/Historical
Quick answer
What does “carbon microphone” mean?
An early type of microphone that uses carbon granules to convert sound waves into electrical signals.
Audio
Pronunciation
Definition
Meaning and Definition
An early type of microphone that uses carbon granules to convert sound waves into electrical signals.
Any microphone operating on the principle of variable electrical resistance in carbon granules compressed by a diaphragm; now largely historical.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The term is identical in both variants.
Connotations
Connotes early telephony, vintage technology, or low-fidelity sound. No regional connotative differences.
Frequency
Extremely low frequency in general discourse. Used almost exclusively in technical history, audio engineering history, or antique restoration contexts.
Grammar
How to Use “carbon microphone” in a Sentence
[The/An] carbon microphone [verb: functioned/was used/had]Vocabulary
Collocations
Examples
Examples of “carbon microphone” in a Sentence
verb
British English
- The unit is carbon microphoning the signal.
- They attempted to carbon-microphone the output.
American English
- The circuit carbon microphones the input.
- He carbon-microphoned the audio.
adverb
British English
- The signal was transmitted carbon-microphonically.
American English
- It operated carbon-microphonically.
adjective
British English
- The carbon-microphone era
- A carbon-microphone design
American English
- Carbon-microphone technology
- A carbon-microphone element
Usage
Meaning in Context
Business
Not used in modern business contexts.
Academic
Used in papers on history of technology, telecommunications history, or media archaeology.
Everyday
Virtually never used in everyday conversation.
Technical
Used in technical descriptions of antique communication devices, museum catalogs, or restoration manuals.
Vocabulary
Synonyms of “carbon microphone”
Strong
Neutral
Weak
Vocabulary
Antonyms of “carbon microphone”
Watch out
Common Mistakes When Using “carbon microphone”
- Confusing it with a 'carbon fibre microphone' (non-existent). Spelling 'carbon mike' informally. Using it to refer to any old-looking microphone.
FAQ
Frequently Asked Questions
No, it is obsolete. It was superseded by dynamic, condenser, and other microphone types due to its poor sound quality, noise, and reliability issues.
In telephony, it was replaced by electret microphones and other modern transducers. In broadcasting and recording, dynamic and condenser microphones became standard.
Because its key component was a small capsule filled with carbon granules. Sound waves moved a diaphragm, compressing the granules and changing their electrical resistance.
You can find original antique carbon microphones for sale as collectibles or for restoration projects, but no new devices are manufactured for practical audio use.
An early type of microphone that uses carbon granules to convert sound waves into electrical signals.
Carbon microphone is usually technical/historical in register.
Carbon microphone: in British English it is pronounced /ˈkɑː.bən ˈmaɪ.krə.fəʊn/, and in American English it is pronounced /ˈkɑːr.bən ˈmaɪ.krə.foʊn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly associated]”
Learning
Memory Aids
Mnemonic
Think CARBON = CHARCOAL, an old substance; MICROPHONE = sound device. An 'old charcoal sound device' helps remember it's a primitive, early type of microphone.
Conceptual Metaphor
TECHNOLOGY AS AN ARTEFACT (a relic of a past technological era).
Practice
Quiz
What is the primary operational principle of a carbon microphone?