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How to figure our htz of a song


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that audacity plot spectrum thing can be very confusing

i was once told there was a peak at -3 hertz....

so i dont really get how to use it either

Edited by IH8PunkRok

-Matt

2005 Dodge Magnum RT
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Obsidian Audio ST1 Horn Tweeters

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Audio Legion 3500.1D

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SHCA 2/0

155.2 @ 29 hz



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get audacity

import the song

zoom in a few times using the magnifying glass with +

highlight .5-1 second of the note u want

go to analyze

plot spectrum

change 512 to 16384

change linear to log

Scroll cursor over gragh and match the peak with the cursor and there is ur peak hz and db level

A db level of 20+ is loud, i try to get mine at 23-26db... and sine waves are whatever u have

If u have a 0db sine wave its 30db on audacity(max)... if u use -3db it would be 27db on audacity

By highlighting such a little amout u get a more accurate db level than highlighting 20seconds or more since more notes occur it averages them out

You can easily see once u zoom if the data exceeds the top and bottom (clipping) and determine the severity of it, along with any other flats spots that should stand out

Edited by Decaf

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perfect decaf

thank you so much for that clear explanation

-Matt

2005 Dodge Magnum RT
JVC KD-AVX1

2 PPI S580.2

Obsidian Audio ST1 Horn Tweeters

PRV 8MB450s

Audio Legion 3500.1D

2 RE MT 18s

360 ah LiFePO4 Battery
SHCA 2/0

155.2 @ 29 hz



Kicker CVR 15's build
DD 3512e build
Mini T-Line Build
(6) 8s Build
Nightshade 15s Wall Build
Magnum AB XFL 12s Build
Newest Magnum Build

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