[PD] perceived loudness
school shoes
schoolshoes at outlook.com
Tue Aug 25 16:02:34 CEST 2015
great thanks for the leads
To: pd-list at lists.iem.at
From: zmoelnig at iem.at
Date: Tue, 25 Aug 2015 10:57:50 +0200
Subject: Re: [PD] perceived loudness
On 08/24/2015 05:29 PM, school shoes wrote:
> hello
> I understand that our ears perceive midrange sounds as louder than very low or very high ones. I am wondering if there is some sort of simple method or formula or object that compensates for the perceived difference in volume, so that if i have say a patch randomly generating osc~ frequencies between 50 and 15000 hz, the volume [*~] of each frequency can be adjusted so that they all have the same overall presence?
> thanks in advance.
there's [mtx_phon_curves] (in iemmatrix) which uses an approximation
formula for the phon curves.
being a matrix object¹, it takes a vector of sinusoidal components and
outputs the relative gains.
gfmrsa
IOhannes
¹ i have no clue why this is in the iemmatrix toolbox, and not a general
scalar object.
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