Re: Rush Concert and "ear distortion"On May 7, 2:55 pm, klu...@panix . com (Scott Dorsey) wrote:
> Tobiah <t...@tobiah.org> wrote:
> >I caught rush last night in LA. I knew to
> >bring ear plugs but I didn't get a chance to
> >put them in for a few minutes after the first
> >song started. I found the sound to be ragged
> >at first. The high end was all distorted as
> >though a microphone or speaker was being
> >over driven. Then I got the ear plugs in
> >and the highs smoothed out. I could still
> >hear detail in the cymbals, etc. I have to
> >assume that my ear drum was being over driven.
>
> Yes, this is sadly pretty common. A couple of things happen.. first your
> hair cells become fatigued, and secondly your ear canal contracts to
> protect itself. But on top of this, you get nonlinearity issues with the
> movement of the bones attached to the ear canal.
>
> Do this for very long, and you get permanent damage, mostly because the
> hair cells start to break apart.
>
> The hair cell fatigue and canal contraction causes a loss of high
> frequencies but it ALSO causes a lack of definition in the midrange as
> well.. and so folks tend to crank the high end up to compensate for it,
> which just makes things worse.
>
> >They also employ very high power strobes in
> >the back of the stage, and employ them at every
> >opportunity when the energy of the music is high.
> >I had to wear dark sunglasses and on many occasions
> >shut my eyes, for fear that the intense light was
> >damaging (it was certainly quite unpleasant). I
> >am guessing that the desired effect is to leave
> >psychodelic patterns temporarily (?) burnt into
> >the retina to enhance the over all visual effect.
>
> That's probably less physically damaging than the high sound levels.
>
> >With sunglasses and good ear plugs the sensory
> >experience was still exciting without the worry.
>
> I think concerts should hand out earplugs to everyone in the audience.
> I certainly have taken to using the Etymotic earplugs while mixing.
> --scott
> --
> "C'est un Nagra. C'est suisse, et tres, tres precis."
What model do you use, scott? I'm interested.