How Do Standing Waves in Organ Pipes Affect Sound Intensity?

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SUMMARY

Standing waves in organ pipes are crucial for sound production, determined by the pipe's length and whether it has a closed or open end. The intensity of sound frequencies, such as the ratio between the first and second harmonics, is influenced by the air pressure used to blow into the pipes. These standing waves resonate within the pipe and are transmitted to the outside environment, allowing us to hear them. Understanding these principles is essential for anyone studying the acoustics of musical instruments.

PREREQUISITES
  • Understanding of standing wave theory
  • Knowledge of acoustics and sound frequency
  • Familiarity with organ pipe construction (open vs. closed ends)
  • Basic principles of air pressure and sound transmission
NEXT STEPS
  • Research the physics of standing waves in musical instruments
  • Explore the impact of air pressure on sound intensity in organ pipes
  • Study the harmonic series and its application in organ music
  • Learn about different types of organ pipes and their acoustic properties
USEFUL FOR

Musicians, acoustics researchers, and anyone interested in the physics of sound production in musical instruments, particularly organ pipes.

Gavroy
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hi

could somebody explain to me how organ pipes work?

so far, i figured out that there are standing waves in an organ pipe, that are determined by the length and the question of whether there is a closed or open end.

but what determines the intensity between these possible frequences(e.g. the ratio of intensity between the 1st and 2nd harmonic, is it maybe the pressure by which the air is blown into the pipes) and why do we actually here them?as i thought they where standing waves, so how do they get out of the pipe and into our ears?

sorry about my english...
 
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