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white or pink noise for calibration?
#67153 11/04/04 01:45 AM
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which one do you guys use to calibrate your speakers? the white noise or pink?

Re: white or pink noise for calibration?
#67154 11/04/04 01:51 AM
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White as pink is used more often for setting up an actual EQ.

http://ccms.ntu.edu.tw/~karchung/Phonetics%20II%20page%20sixteen.htm

Re: white or pink noise for calibration?
#67155 11/04/04 06:51 AM
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pink noise is better. It's a broad-spectrum sound that includes all the audible frequencies.

Re: white or pink noise for calibration?
#67156 11/04/04 03:26 PM
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I don't think I would go as far as to say Pink is better given a lot of very well respected test discs are using white.

C&P

White Noise
For processes of testing and equalizing rooms and auditoriums, it is convenient to have broad-band noise signals. Typically, white noise or pink noise is used. White noise is noise whose amplitude is constant throughout the audible frequency range. It is fairly easy to produce white noise - it is often produced by a random noise generator in which all frequencies are equally probable. The sound of white noise is similar to the sound of steam escaping from an overheated radiator. The ear is aware of a lot of high frequency sound in white noise since the ear is more sensitive to high frequencies. Since each successive octave of frequency will have twice as many Hz in its range, the power in white noise will increase by a factor of two for each octave band. Twice the power corresponds to a 3 decibel increase, so white noise is said to increase 3 dB per octave in power.

Pink Noise
For processes of testing and equalizing rooms and auditoriums, it is convenient to have broad-band noise signals. Typically, white noise or pink noise is used. Whereas white noise is defined as sound with equal power per Hz in frequency, pink noise is filtered to give equal power per octave or equal power per 1/3 octave. Since the number of Hz in each successive octave increases by two, this means the power of pink noise per Hz of bandwidth decreases by a factor of two or 3 dB per octave.

Since pink noise has relatively more bass than white noise, it sounds more like the roar of a waterfall than like the higher hissing sound of white noise.

Pink noise is often the choice for equalizing auditoriums. Real-time analyzers can be set up so that they display a straight horizontal line when they receive pink noise.


Re: white or pink noise for calibration?
#67157 11/04/04 03:51 PM
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I use Pink Floyd to calibrate my system ;->


The sailor does not pray for wind, he learns to sail. --Lindborg
Re: white or pink noise for calibration?
#67158 11/04/04 04:16 PM
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Not me, I use Anthrax's Sound of White Noise CD! :-)

Re: white or pink noise for calibration?
#67159 11/04/04 04:18 PM
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In reply to:

Anthrax's Sound of White Noise



nope.. use 'attack of the killer bees'.. ode to milk is the best track.

get your oreos ready!!!

bigjohn


EXCUSE ME, ARE YOU THE SINGING BUSH??
Re: white or pink noise for calibration?
#67160 11/04/04 04:24 PM
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In reply to:

ode to milk is the best track




I love the tune Black Lodge from White Noise. I don't think I go a week without cranking it. The remastered version is excellent and sounds dam good for a metal CD.

Re: white or pink noise for calibration?
#67161 11/04/04 04:28 PM
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i have not listened to my white noise cd in years. i bought it original when it came out back in 93-94.. something like that.. ?

a new 'rock' cd that is just awesome when cranked is the band 'queens of the stone age'.. the album 'songs for the deaf' is one of the more unique albums i have heard from a rock band in several years. just my opinion.

SORRY.. back to calibration...

bigjohn




EXCUSE ME, ARE YOU THE SINGING BUSH??
Re: white or pink noise for calibration?
#67162 11/04/04 04:44 PM
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I'm not sure when that disc came out. I think the remastered version came out in 2001 or 2002 so your probably right on the money with your timeframe. Speaking of old stuff that is new again, did anyone notice that almost every Judas Priest CD is coming out again and has been remastered? I don't have one yet but I may have to grab a couple.

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