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Re: OT Adjusting Home cinema - equalizer


  • To: ukha_d@xxxxxxx
  • Subject: Re: OT Adjusting Home cinema - equalizer
  • From: "librashagger" <jerome@xxxxxxx>
  • Date: Wed, 29 May 2002 13:09:08 -0000
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

--- In ukha_d@y..., "Nikola Kasic" <nikola@k...> wrote:
> Yes, it's a pink noise that I used for adjusting levels.
> I don't know what kind of noise was on those frequencies, but I
think it was
> also pink noise.

Pink noise is a very specific spread-spectrum noise that 
contains all the frequencies according to a particular curve - so
there's only one type of pink noise.

> One goes through whole spectrum 20Hz-20kHz.

not really useful apart from testing your hearing :-[)

> The others are 5 chunks of that spectrum, I forgot what the
borders of each
> exactly are, but I can check.
> If, for instance, I put one of those chunks to play constantly and
measure
> SPL, and then go through each of them and repeat, will I get 5
points on a
> frequency response chart so I can make a graph. I know that
it's not
> accurate, just 5 points, but my equalizer is also not perfect. I
have an
> option to change gain on 3 freqencies only.

Personally I would just adjust it to how it sounds best to you. 
Without very specific EQ & room monitoring tools, you could just
be pissing in the wind, pardon the expression.  Nothing wrong
with feeding pink noise to each of the speakers individually and
adjusting them to 85db SPL though, that's half the battle right
there.  And not using silly DSP on 5.1 sources too!

Jerome




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