no clipping but ears hurt

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garth04

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Hi, I was wondering if someone could lend some insight into a problem I'm having.

I'm recording acoustic guitar and vocals.

This is the chain I have mics/preamps/compressor/mixingboard/soundcard/CEP

The graph of the waves look normal. There are no large peaks. I've applied slight compression to soften the waves even more. There is no clipping but if I listen for a few minutes or longer my ears start to hurt slightly. It's almost undetectable it's so subtle.

After listening to my tracks at a moderate volume for an hour through headphones my ears felt as if I'd been to a loud concert. The way they would feel if they were ringing but without the ringing. It wasn't quite that bad but it was definitely uncomfortable and wouldn't want to listen to a CD like this. It feels like an excess of pressure.

I did a frequency analysis in Cool Edit Pro and found that it was a downhill slope. More lows than highs. When I listen in headphones it sounds balanced. When I put it through monitors it sounded too boomy. Is the excess of bass causing the pain or could it be something else? The analysis also showed a small jump at the highest frequencies as well. Should I just completely cut the lowest and highest out? Even if I do that I still feel an excess pressure. It doesn't seem to quite cut it.

I'm stereo micing the guitar. I have the mics about 2 feet away. One is pointed at the bridge, the other where the neck and guitar come together. I'm using a Rode NTK for vocals. I have it placed above guitar, face level, left of my center, a few inches from my mouth. Is the vocal mic picking up too much bass? If so should I try to filter out the bass or mess with the placement?

I could use some advice.
 
hmmmmm.

Well apart from the obvious (turn down the damn headphones) it could be a nasty midrange bump in the headphone response. You should be using monitors to make any EQ adjustments. I've never heard of bass causing ears to hurt. Heart and intestinal failure are another matter...
 
That's the thing... I wasn't even listening at a high volume. If I was It would be my own damn fault.

I've never heard of a little excess bass making your ears hurt either, that's why I'm asking here. I don't get what is causing this.

I'm going to experiment with the vocal mic today because I think it's to do with that. I'll let you know if I figure it out.

Thanks for your reply.
 
Sometimes peaks/buildup and or distortions in the shrill ranges can have that effect.
 
A dip in the 3k region or a boost in the 230hz region should clear things up, but that could definetly do things to the original mix so be careful...the midrange is whats going to do this most of the time. EQ your favorite songs with too much midrange and youll get the same effect...
 
garth04 said:
That's the thing... I wasn't even listening at a high volume. If I was It would be my own damn fault.

I've never heard of a little excess bass making your ears hurt either, that's why I'm asking here. I don't get what is causing this.

IMHO that's exactly what is causing it. The ear is most sensitive to midrange however the power needed to reproduce bass is much greater. Even though bass freqs may not seem as loud you're still pushing a large amounts of air causing a greater SPL for the same perceived volume. Bass can be just as damaging as any other frequency.
 
You're right masteringhouse, it is the bass. I took out the vocal mic and it was still boomy so I pulled the guitar mics even further back. I was reading today that in classical recordings they have the mics as far back as 1.0 to 1.5 meters. I'm not doing classical but fingerpicking guitar can be very similar.

The signals are a bit low and distant to my preference now but it doesn't hurt to listen to it and I can still tweak the placement and volume later. I'm going to angle the mics slightly towards the sound hole and put them a little bit closer as a compromise.

I have just started to use monitors as a tool and I am starting to realize why people always say not to rely on head phones in mixing/mastering.

One obstacle down. Thanks for the help.
 
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