Sound: Low end / High End

  • Thread starter azaharak
  • Start date
152
0
When you try to listen to music through headphones you can reasonably hear the low end (lower frequencies). When you take the headphones off of your head and place them far enough away you only hear a tinny sound.

When you are outside of a loud rock concert, maybe 1500ft from the source, you tend to only hear the lower end sound.

---- Why is this so.


Here is my understanding, please fill in if I'm wrong.

The lower end (longer wavelength) is less easily absorbed in mediums?

The lower end from the headphones only really occurs because your headphones are in contact with your ear allowing the vibrations to transmit better?

The higher frequencies tend to scatter more of small objects over longer distances?

Power is a function of frequency, the higher frequencies deliver more power?


Thank you!
 
26
0
When you try to listen to music through headphones you can reasonably hear the low end (lower frequencies). When you take the headphones off of your head and place them far enough away you only hear a tinny sound.

When you are outside of a loud rock concert, maybe 1500ft from the source, you tend to only hear the lower end sound.

---- Why is this so.
FREQUENCY of SOUND WAVES
The farther you are from the source the lesser the frequency of sound waves your ears absorb,so the lower/softer the sound as perceived by the ears. On the other hand, the nearer you are from the source, the greater the frequency, the more sound waves our ears absorb; that also means the louder it is as perceived by our ears..

Read something also about Doppler effect. That could somehow help. :))
 
152
0
OMG you are completely wrong...


Please do not comment if you have no clue what your talking about.

The doppler effect only affects the frequency perceived for a moving source or a moving listener. It has nothing to do with a static pair of headphones.


Your claims are completely wrong. The frequency of the source is not a function of distance!.

The amplitude will change, since the power falls off along the lines of inverse square law. The frequency remains constant.

Thats like saying the light bulb color changes the farther you move away from it!

It will change if your in motion (very slightly due to the doppler effect in light)
 

Related Threads for: Sound: Low end / High End

  • Posted
Replies
3
Views
7K
Replies
1
Views
2K
  • Posted
Replies
4
Views
4K
Replies
15
Views
2K
  • Posted
Replies
2
Views
2K
  • Posted
Replies
4
Views
1K
  • Posted
Replies
5
Views
8K

Physics Forums Values

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving

Hot Threads

Top