[sdiy] Roughness vs Frequency?

David Huss dh at atoav.com
Sun Jan 29 10:48:55 CET 2023

Roughness as a measure is described by Zwicker and Fastl in their 1990 book: Eberhard, and Hugo Fastl. Psychoacoustics: Facts and Models

Afaik there is also an ISO standard for sound roughness.

What such a broad measure as roughness would mean for synthesis, who knows. You would have to pick your poison there.

I think there is a lot of potential in the inverse tho: a module that spits out a CV with the perceived roughness of incoming audio.

On January 29, 2023 6:39:17 AM UTC, cheater cheater via Synth-diy <synth-diy at synth-diy.org> wrote:
>BTW here's a bunch of sounds of varying roughness to listen to:
>"Rating EAS Alarms From Different Countries!"
>sadly someone's talking over them but you can hear enough.
>On Sun, Jan 29, 2023 at 7:37 AM cheater cheater
><cheater00social at gmail.com> wrote:
>> Is it possible to define roughness so that a sound can be said to have
>> a specific amount of roughness at a specific frequency? It appears to
>> me that some sounds seem to sound "rough" at high frequency parts of
>> their spectrum and other sounds at low frequency parts, or others yet
>> at mid freq parts.
>> Maybe a spectral envelope of roughness vs frequency could be produced
>> (kind of like level vs frequency which is just the normal audio
>> spectrum of a sound)
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