POWER vs INTENSITY vs PRESSURE LEVEL: What's the Difference?

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What is the difference between sound power level (SWL), sound pressure level (SPL), and sound intensity level (SIL)? In this video, you'll learn a simple way to visualize the difference between sound levels.

This video uses a simple balloon model for understanding the difference between sound power level vs sound pressure level vs sound intensity level.

It's common to confuse sound power level, sound intensity level, and sound pressure level. However, it's very important to know the difference between sound levels so that you can understand technical specifications and communicate with others in the audio production industry.

Need help setting up your studio? Check out these free resources I've created for you...

0:00 - Introduction
0:34 - Sound Power Level (SWL)
0:52 - Sound Intensity Level (SIL)
1:33 - Sound Pressure Level (SPL)
2:06 - Summary: Sound Power Level vs Sound Intensity Level vs Sound Pressure Level

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Need help setting up your studio? Check out these free resources I've created for you...

AudioUniversity
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Man I can't let you know how clear this explanation was, pitch perfect. If only my lecturers did the same. My engineering reviews have become so much easy now.

Shadowtaka
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Such great explanations and use of visualizations for explaining all the conceptual content in your videos! Keep it up!

alexdobbs
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Helps thanks it helped understand further, perhaps consider adding dB(A) units etc.

Byrro-edits
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What we should compare ? Those terms refering to what exactly? Audio signal? Sound ? consumption?

tudorgheorghe
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Very nice video, thank you, I have a question though, when describing Decibels across Power, Pressure and Intensity, can you use the the same decibel value between each levels to find things like Pascal or Watts/m^2, etc.? 

Example, you found Sound Pressure from Pascal, and you want to find Watts/m^2, do you use the same Decibels?

MWproification
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Kyle please advise how to measure my theater speaker frequency response. I am willing to buy basic tool. Thanks in advance.

royalsns
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Loving these bite sized videos. Thanks and Keep them coming.🤘

risheyrsp
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There is a kind of vibration speakers that turn anysurface into speaker...if we stick it into a larger surface area...then intensity and db will be less at the source of emitting that sound....I think that would affect sound quality and sound travel distance somehow...can you elaborate on this one?

Also If earbuds and loud speaker produce the same db then the power is the only thing that changed...am I right?

ammaribrahim
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Question please, when you mixing a live band does the subwoofer power speakers SPL needs to be same as the load speakers or it will depend on the style of music and desire wanted.

SuAmigoElilegal
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Could you add Arabic to your video's captions, please💜
Because we need to this useful information, and we couldn't understand every thing in English.

All thanks to you🌸🌸

maria_alhayek
visit shbcf.ru