Effects of Doubling Frequency on Sound Properties

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SUMMARY

The discussion centers on the effects of doubling frequency on sound properties, specifically transitioning from 256 Hz to 512 Hz. It is established that frequency increases with the octave change, while amplitude remains constant. The period of the sound wave decreases as frequency increases, and the speed of sound remains unchanged in a given medium. The relationship between these properties is governed by wave equations, which clarify the interactions between frequency, period, and amplitude.

PREREQUISITES
  • Understanding of sound wave properties, including frequency and amplitude
  • Familiarity with wave equations and their relationships
  • Knowledge of the concept of octaves in sound
  • Basic principles of wave speed in different media
NEXT STEPS
  • Study the wave equation: v = fλ (where v is speed, f is frequency, and λ is wavelength)
  • Explore the relationship between frequency and period: T = 1/f (where T is period)
  • Investigate the concept of pitch and its correlation with frequency changes
  • Learn about sound wave propagation in different media and its effect on speed
USEFUL FOR

Students studying physics, audio engineers, and anyone interested in the fundamental properties of sound waves and their behavior during frequency changes.

DeathCrawls
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Homework Statement


A sound goes up one octave, from 256 Hz to 512 Hz. What happens to the, period, frequency, amplitude, pitch, and speed? (choices are increase decrease or stay same) Why?


Homework Equations


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The Attempt at a Solution


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Without an attempt at a solution, or even you offering some sort of educated guess, I don't know if we're going to be willing to help much.

At least *attempt* an answer...
 
To begin, what does 256Hz and 512Hz represent? Velocity, frequency, period, amplitude...? That property clearly increased.

Next, what equations do you know that relate to waves. Specifically, what equations relate amplitude, frequency, speed, period, etc.

You can look at the proportionality relationships in the equations to determine which values increase and which decrease.
 
Haha alright sorry
I do believe that the period of a higher pitch will increase because of a higher frequency in the vibrations, the frequency would obviously increase due to Hz increasing, Amp, i think it could stay the same? i am a little confused on that one, higher pitch due to higher frequency, and the saem speed going through the air
 
Yup, looks good. The pitch will increase or decrease with the frequency. Your right with the amplitude staying the same because that is not related to a change in frequency. Same with the speed of the wave.
 
Thanks
 
DeathCrawls said:
Haha alright sorry
I do believe that the period of a higher pitch will increase because of a higher frequency in the vibrations, the frequency would obviously increase due to Hz increasing, Amp, i think it could stay the same? i am a little confused on that one, higher pitch due to higher frequency, and the saem speed going through the air

"... period ... will increase because of a higher frequency ..."

You're sure of this?
 

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