loudspeaker
Học thuậtThân thiện
Definition
Noun: 1. An electro-acoustic transducer that converts electrical signals into audible sound: A device that receives an electrical audio signal and uses a diaphragm (often within a cone) to create sound waves in the air, making the sound loud enough to be heard clearly at a distance or by many people.
Usage
The word "loudspeaker" refers to the specific device itself. It is commonly used to describe the component in audio systems that produces sound. - It is often preceded by articles like "a," "the," or possessive pronouns like "my," "the venue's." - It can be modified by adjectives describing its size, quality, or type (e.g., powerful loudspeaker, built-in loudspeaker, bluetooth loudspeaker).
Examples
- Noun:
- The sound from the laptop's built-in loudspeaker was weak.
- A powerful loudspeaker was mounted on the pole for announcements.
- He connected his guitar to an amplifier and a loudspeaker.
Advanced Usage
- "over a loudspeaker" / "through a loudspeaker": Phrases used to indicate the medium by which a sound is broadcast.
- The principal's voice echoed over the loudspeaker.
- The announcement was made through a loudspeaker system.
Variants and Related Words
- Speaker (noun): A very common, shorter synonym for "loudspeaker." In everyday conversation, "speaker" is more frequently used.
- The Bluetooth speaker has excellent battery life.
- Loudspeaker system (noun phrase): A set of multiple loudspeakers and associated electronics designed to cover a large area.
- PA system (Public Address system) (noun phrase): A complete setup including microphones, amplifiers, and loudspeakers used to amplify sound for an audience.
Synonyms
- Speaker: The most direct synonym.
- Woofer (noun): A type of loudspeaker designed specifically to reproduce low-frequency sounds (bass).
- Tweeter (noun): A type of loudspeaker designed specifically to reproduce high-frequency sounds (treble).
Related Phrases
- To blast from a loudspeaker: To play sound very loudly from a loudspeaker.
- Music was blasting from the loudspeakers at the festival.
- Loudspeaker announcement: An announcement made using a loudspeaker system.
- We waited for the loudspeaker announcement to call our flight.
Noun
- electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance