What is the science behind the unique sound of the Kazoo?

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The Kazoo operates on principles of resonance, where air column vibrations induce movement in a membrane at specific natural frequencies, altering the sound's timbre. The membrane's vibrations contribute to the unique tonal quality and can affect the pitch, making it potentially higher. Additionally, the design of the Kazoo allows it to reflect sound, which can lead to amplification. Understanding these physics principles reveals how the Kazoo produces its distinctive sound. Overall, the interaction between the air column and the membrane is key to the Kazoo's unique auditory characteristics.
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What are the physics principles behind the tribal instrument Kazoo? It is just a long tube and a hole in the middle and a rubber piece covering 1 end of the tube.
 
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Vibration (resonance) in the air column establishes vibration in the membrane. The membrane has certain natural frequencies at which response will be stronger.
 
Does the membrance changes the timble of the sound as it resonance it?

Also since it "reflect" the sound - does it also amplifies it?

Many thanks for the answer.
 

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