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(Solved) - Sounds !

(15 posts)
  • Started 1 year ago by avauki
  • Latest reply from Lighthouse
  • Topic Viewed 425 times

avauki
Posts: 6

(for the new I-Pod nano) what does Audio playback Frequency response: 20Hz to 20,000Hz mean for this device ? eg, will this device be able to play sounds below and above 20Hz / 20 000Hz, i would like to listen to sound waves recordings Alpha Brainwave Frequencies: 7-13 Hz, Theta Brainwave Frequencies:4-7 Hz, and Delta Brainwave Frequencies: 0-4 Hz. does this mean i will not be able to listen these recordings using this device ?

Posted 1 year ago
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vistamike
vistamike
Posts: 10945

http://hyperphysics.phy-astr.g.....rsens.html

The bandwidth is withing normal human hearing 20Hz to 20,000Hz.

As you age the top end will reduce quite dramatically

'i would like to listen to sound waves recordings Alpha Brainwave Frequencies: 7-13 Hz, Theta Brainwave Frequencies:4-7 Hz, and Delta Brainwave Frequencies: 0-4 Hz. does this mean i will not be able to listen these recordings using this device ?'

You need completely different equipment to analyze this, as you very well know

Not likely

Moved to Off Topic

Posted 1 year ago
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avauki
Posts: 6

Hi vistamike,
Thank you for your reply, much appreciated !!
The link in your answer pointed me in the right direction (on the same google page), i found the information that i required to know ,via this link below, .

https://www.selfdevelopment.net/binaural/binaural/what-are-binaural-beats-and-how-do-they-work.

From what i understand, i will be able to use this device regarding these types of recordings.
Thanks again !!

Posted 1 year ago
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Ted16
Ted16
Posts: 1952

As Mike says the normal human audio range is 20-20Khz.

If you want know what the lower or higher frequencies look like you will need an oscilloscope.

Ted

Posted 1 year ago
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Lighthouse
Lighthouse
Posts: 13598

I built a device years ago that would output those frequencys. You are playing with fire.

Posted 1 year ago
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Ted16
Ted16
Posts: 1952

Yes he could get a very nasty tummy ache or worse depending on the amplitude of course.

Posted 1 year ago
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Lighthouse
Lighthouse
Posts: 13598

And turn all soft internal organs to mush.

Posted 1 year ago
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CompWiz
CompWiz
Posts: 864

@LH, "You are playing with fire" - why is that? (not too familiar with audio frequencies as you can see).

Posted 1 year ago
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warlock
warlock
Posts: 4100

http://en.wikipedia.org/wiki/Sonic_weapon

Posted 1 year ago
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Colshy
Colshy
Posts: 142

http://www.ufopaedia.org/index.....asta_Rifle

Posted 1 year ago
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Colshy
Colshy
Posts: 142

http://www.youtube.com/watch?v=aEUOo0t_RHQ

Posted 1 year ago
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avauki
Posts: 6

Gentlemen,gentlemen and if there are any woman as well, Please !, take it easy !
Firstly "Thank you for all" for your responses, again much appreciated!!

I recieved a reply from the manufacturing company of these types of recordings, and this is their explaination as to why i will be able to listen to these recording using this and other devices, as long as i have enclosed ear phones / Stereo headphones that enclose most of both ears are recommended .
This was their reply!

"Remember the human ear cannot hear anything below about 20Hz. The reason binaural audio works is because your brain recognizes the difference between two different tones. For instance, if a tone of 80 Hz was played in your right ear and 88 Hz in your left then your brain would synchronize itself to the difference between the two (In this case it would be 8 Hz, a theta brainwave, which would be quite relaxing).
Regular headphones range from 20-20,000 Hz, which is more than good enough".

Again i will refer to the link that i provided in my answer to 'vistamike' , it is along the same lines as the above reply from the manufacturer.

Mr lighthouse please take this light heartedly, i would not like to be your neighbour if you are building machines that make your soft parts go to mush!

Again "thanks every body" its been emotional !!

Posted 1 year ago
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Lighthouse
Lighthouse
Posts: 13598

avauki. I also built a device that measured your brainwaves. You could use that to control electric things.

Posted 1 year ago
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CompWiz
CompWiz
Posts: 864

Whoa! Need to buy or check out a book on sound frequencies!! Intriguing .

Posted 1 year ago
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Lighthouse
Lighthouse
Posts: 13598

It is very interesting. But why a book ?

Posted 1 year ago
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