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<blockquote data-quote="Frederik RosenkjÃ¦r" data-source="post: 81585" data-attributes="member: 850">Re: Awesome idea for sound projectDon&#039;t know if this is the sort of problem you are looking for, but lately I have been wondering about:The human hearing, as we all know, has a sensitivity that peaks somewhere around 2-4 kHz, so we could hear the leaves rustling when the saber tooth tiger was lurking nearby. This rise in sensitivity comes partly from the shape and size of our ear canals which resonate at a certain frequency thereabout.But - since we have different ear canals we must also have different peak frequencies in these sensitivity curves, from person to person. This would also explain why I often find that some other techs aren&#039;t bothered by the 2.5 kHz that really stings in my ear, but instead talk about a 3.5 or 4 kHz that virtually never bother me.This means that we might never hear the same thing, and if my ear canals are very different from those of the FOH tech of the day, I&#039;ll have to suffer through a concert of ice pick to the forehead (&quot;I&quot; being any concertgoer out there). So that got me thinking - maybe, if all this is true, one possible solution could be &quot;standard ear canal&quot; in the form of a custom molded ear plug without filters in them but with a standardized hole through. Then the FOH guy could use those while mixing and any serious concertgoer could have a set made. Then the venue could have signs saying &quot;Tonight&#039;s concert uses SEC (Standard Ear Canal)&quot; or some other fancy three-letter acronym, and everyone would be a step closer to hearing the same thing?...I don&#039;t know...But there could be lots of things to study about this: What frequencies do different people find uncomfortable at what levels? How much does this differ from person to person? Could this be measured taking the earcanal out of the picture somehow, to see how much effect this really has? etc...</blockquote>

[QUOTE="Frederik RosenkjÃ¦r, post: 81585, member: 850"] Re: Awesome idea for sound project Don't know if this is the sort of problem you are looking for, but lately I have been wondering about: The human hearing, as we all know, has a sensitivity that peaks somewhere around 2-4 kHz, so we could hear the leaves rustling when the saber tooth tiger was lurking nearby. This rise in sensitivity comes partly from the shape and size of our ear canals which resonate at a certain frequency thereabout. But - since we have different ear canals we must also have different peak frequencies in these sensitivity curves, from person to person. This would also explain why I often find that some other techs aren't bothered by the 2.5 kHz that really stings in my ear, but instead talk about a 3.5 or 4 kHz that virtually never bother me. This means that we might never hear the same thing, and if my ear canals are very different from those of the FOH tech of the day, I'll have to suffer through a concert of ice pick to the forehead ("I" being any concertgoer out there). So that got me thinking - maybe, if all this is true, one possible solution could be "standard ear canal" in the form of a custom molded ear plug without filters in them but with a standardized hole through. Then the FOH guy could use those while mixing and any serious concertgoer could have a set made. Then the venue could have signs saying "Tonight's concert uses SEC (Standard Ear Canal)" or some other fancy three-letter acronym, and everyone would be a step closer to hearing the same thing? ...I don't know... But there could be lots of things to study about this: What frequencies do different people find uncomfortable at what levels? How much does this differ from person to person? Could this be measured taking the earcanal out of the picture somehow, to see how much effect this really has? etc... [/QUOTE]

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