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speaker
The word carries a distinct shift in energy depending on whether it refers to a human or a machine. When describing a person, it often implies a position of authority or a specific role in a communication event, such as a formal presentation or a linguistic study. It suggests a focused act of transmission where the person is the source of information. In the technical sense, it evokes the physical vibration of a diaphragm and the amplification of sound. While a human speaker is judged by their rhetoric and tone, a hardware speaker is judged by its fidelity and volume. The term is neutral but becomes prestigious when paired with adjectives like keynote or guest.
Countable because it refers to individual people delivering a speech or individual electronic devices used for audio playback.
Ý nghĩa
A person who delivers a speech or talks to an audience.
"The keynote speaker inspired the crowd."
A device that converts electrical signals into sound.
"I bought a new Bluetooth speaker for my room."
The person who is speaking a particular language.
"The native speaker of Japanese explained the grammar."