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Author Topic: What are we really hearing?  (Read 1662 times)

Audi-op

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What are we really hearing?
« on: December 11, 2004, 07:03:26 pm »

What are the factors that contribute to the perception of sound inside the performers head with the occlusion created by in ear monitors in the ear canal?
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Tom Young

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Re: What are we really hearing?
« Reply #1 on: December 12, 2004, 07:45:46 am »

I'm really not sure at all what you are asking. Can you rephrase it or expand ?
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Tom Young, Church Sound section moderator
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Mike Galica

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Re: What are we really hearing?
« Reply #2 on: February 20, 2005, 08:44:28 pm »

This was explained to me when I got my in-ears and here's my go at a second-hand telling.  A person hears his/her own voice both through bone conduction and acoustically.  When someone uses in-ears that eliminates the acoustic factor and all you get is bone-conduction.  That's where the strange boomy tone comes from.  I'm told to solution is to balance the vocal in the IEMs so that it counteracts bone conduction, but I use em playing drums so what do I really know? LOL

Hope that explains things.
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Mike Galica

John Roberts {JR}

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Re: What are we really hearing?
« Reply #3 on: February 20, 2005, 10:14:27 pm »

Probably the most significant is blocking of "pinnae transforms" or the natural comb filtering that occurs in the outer ear that our brain uses to localize above/below origination of sound sources.

A secondary mechanism if your own voice is mixed into IEM is possible cancellation issues if polarity of IEM and bone conduction is opposing. I'm not sure if this is managed but it may be worth experimenting with absolute (not relative) polarity of IEMs.

JR
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Re: What are we really hearing?
« Reply #3 on: February 20, 2005, 10:14:27 pm »


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