I would like to start a discussion involving how sound works.

  • Context: High School 
  • Thread starter Thread starter ymalmsteen887
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    Discussion Sound Works
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Discussion Overview

The discussion centers on the nature of sound, specifically exploring why low-frequency sound waves are perceived to travel farther than high-frequency waves. Participants express curiosity about the underlying mechanisms and principles governing sound propagation, attenuation, and the relationship between frequency and energy. The conversation includes theoretical aspects, practical implications, and some experimental considerations.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant questions why low frequencies travel farther than high frequencies, suggesting that more energy may be required for low frequencies to propagate.
  • Another participant notes that sound travels at different speeds in various mediums and that the speed of sound in an ideal gas is independent of frequency, though it may depend on real-world conditions.
  • Some participants introduce the concept of attenuation, stating that higher frequency sounds experience greater attenuation, leading to a quicker drop in intensity over distance.
  • There is a discussion about the energy required for sound waves of different frequencies to travel the same distance, with conflicting views on whether low-frequency waves require more energy than high-frequency waves.
  • Participants explore the relationship between sound pressure and perceived volume, particularly in the context of bass speakers and their operation.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between frequency, energy, and attenuation. There is no consensus on whether low-frequency waves inherently require more energy to travel or on the implications of sound pressure versus perceived volume.

Contextual Notes

Some discussions reference specific equations and principles related to sound attenuation and pressure, but these are not universally accepted or fully understood by all participants. The conversation reflects a range of interpretations and understandings of sound phenomena.

  • #91


jarednjames said:
You are describing a water wave as a sine wave - transverse wave. Sound is not a transverse wave and so you can't describe it the same way as water is displaced in peaks and troughs.

You can describe sound as it would be represented as a sine wave but can't compare the motion of water molecules to air particles.

Are you going to respond or are we finished here? I'm not impatient I just thought you were wating for me to ask another question cause I was asking for clarification on my last comment.
 
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  • #92


Ok here is what I know so far sound is a pressure wave which is molecules vibrating back and forth and the wave is measured by the distance between two compressed or expanded areas.

Correct
Whats the next logical step before I can understand attenuation of different frequencies?

As per pythagoreans response.
 
  • #93


jarednjames said:
Correct


As per pythagoreans response.

Well I mean can you explain it or are you telling me to read a book on it? I want to keep it simple right now.
 

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