vibrating reed
Noun: A thin, flat piece of stiff material (often cane, metal, or synthetic) that is fixed at one end and free at the other. It produces sound by vibrating rapidly when air is blown past it or when it is placed in an air stream. This vibration generates the tone in various musical instruments and some mechanical devices.
The term "vibrating reed" specifically refers to the component that creates sound through vibration. It is a technical term common in discussions of musical instrument acoustics and engineering. - It is the essential sound-producing element in reed instruments like the clarinet, saxophone, oboe, and bassoon, as well as in harmonicas and accordions. - It is also used in non-musical contexts, such as in certain types of frequency generators, sensors, or relays where a thin strip vibrates in response to air or an electrical current.
- Musical Context:
- The quality of the sound depends greatly on the thickness and cut of the vibrating reed.
- A damaged vibrating reed will produce a fuzzy or weak tone.
- Technical/Mechanical Context:
- The device uses a metal vibrating reed to measure air flow frequency.
- In the old pump organ, each pipe was controlled by a separate vibrating reed.
- Reed Frequency: The pitch produced by a vibrating reed is determined by its physical properties: length, thickness, stiffness, and density. A shorter, stiffer reed vibrates at a higher frequency, producing a higher pitch.
- Free vs. Beating Reed: In organology (the study of musical instruments), a distinction is made:
- Free Reed: The reed vibrates through a closely fitting frame without striking it (e.g., harmonica, accordion, reed organ).
- Beating or Striking Reed: The reed vibrates against another surface (e.g., the mouthpiece lay of a clarinet or saxophone).
- Reed (noun): The more common, general term. "Vibrating reed" is a more specific descriptor of its function.
- He soaked the reed before attaching it to the mouthpiece.
- Reed Instrument (noun phrase): A musical instrument that produces sound via one or more vibrating reeds (e.g., clarinet, oboe, bassoon, saxophone, harmonica).
- Reed Pipe (noun phrase): An organ pipe that uses a vibrating reed to initiate the sound, as opposed to a flue pipe which works like a whistle.
- Oscillator (in a broad technical sense, as it creates periodic vibration).
- Tongue (a less common term, sometimes used in organ building for the reed itself).
- To fit a reed: The action of attaching a new reed to an instrument's mouthpiece.
- The clarinetist spent several minutes fitting the new reed perfectly.
- Reed vibration: The oscillating motion of the reed itself.
- Slow-motion video clearly shows the complex pattern of reed vibration.
The "vibrating reed" is a core acoustic principle. It is not typically used in idiomatic expressions but is a precise technical term. Its function is analogous in both artistic (music) and scientific (measurement, signaling) fields.
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a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it
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the clarinetist fitted a new reed onto his mouthpiece
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