INVERSE SQUARE LAW of Sound

[@AudioUniversity]

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[@chickenitsa]

I'm a photographer and the principle of the Inverse Square Law for sound is (as far as I can see) identical for light, therefore I'm was already quite familiar with most of the points you made ... but the way you've explained it brings out a few aspects of it that I hadn't previously considered . . . So, bravo!

[@tmoss89]

lol

[@craigcattelle5146]

Very well explained sir. Was looking for a way to explain what my brain just understands to a friend, and you provided me the video! Thank you!!

[@fernandomingo2398]

Great source of information for my architectural license exam, thanks. You should have more up votes.

[@AudioUniversity]

Thanks, Fernando! Please share with others who might find this video valuable!

[@MakilHeru]

So much more clear cut, thanks! This is helpful in studying for my CTS.

[@AudioUniversity]

Glad it was helpful! Good luck on your exam! Thanks for watching!

[@rockobar1]

Great and clear explanation. Thx!

[@AudioUniversity]

Glad you enjoyed it!

[@mparsons99]

Excellent Description.

[@AudioUniversity]

Thanks, mparsons99!

[@bubblerguysuper2306]

I don't understand why at 1D there isn't any change I do get the decrease in dB by (-6)n per each ×2ⁿ of 1D Shouldn't the sound intensity have decreased by a certain amount depending on the (1D) distance already?

[@johnzawicki7390]

Could you please dive into the ever confusing area of MIDI? We all know the plug this wire to that part. But nobody ever covers how to make practical use and the assignment part ... thanks

[@AudioUniversity]

Hi, John. Have you watched this video? kzbin.info/www/bejne/aqPIp3StaNGHask

[@johnpatrickkotermanskijr6308]

I knew math would be important at some point in my life

[@amruthgadag4813]

Is it possible to find the distance of the speaker using this technique? If Yes any references?

[@AudioUniversity]

Check out this video: kzbin.info/www/bejne/pKmskp16r7adsM0

[@amruthgadag4813]

@@AudioUniversity Thank you.

[@crazyassassin2381]

is there any condition to get a perfect reading for this experiment?

[@AudioUniversity]

There are special rooms and enclosures called “anechoic chambers” which greatly reduce the effects of the room (reflections, etc.). It’s a really cool concept - I’d recommend taking a look at some photos of anechoic chambers online!

[@gabone9861]

Why is the intensity proportional to the pressure squared?

[@AudioUniversity]

Intensity is inversely proportional to the distance squared. Pressure is inversely proportional to the distance.

[@gabone9861]

@@AudioUniversity ok thanks. And how do you demonstrate that pressure decreases with distance? Or you just have to believe the experiment and the distance law?

[@AudioUniversity]

Good question! I demonstrated it with a microphone. A microphone measures SPL (sound pressure level). With each doubling of distance, the pressure level measured by the microphone decreased by 6 dB. It’s more difficult to demonstrate intensity loss, but still possible!

[@noahway13]

I liked her lipstick color

[@heartless1645]

❤️

[@Noreen222]

Thank you , i didn't understand it at first pu now i understand it thanks 🤍🙏🏻