[sdiy] Lin/Log VCAs and envelopes - compensating for log VCAs

[Vinicius Brazil]

Hi Richie,

the fall in amplitude is auditory sense to me, but what about the attack?
A linear attack on a ADSR make more sense?
For example a bow on a violin?

Vinicius

On Sat, Feb 6, 2016 at 6:29 PM, Richie Burnett <rburnett at richieburnett.co.uk
> wrote:

> Yes, exactly. It matches the way the amplitude falls off when the energy
> lost from the string (or whatever is vibrating) over one cycle is a fixed
> fraction of the energy stored.
>
> -Richie,
>
> Sent from my Xperia SP on O2
>
> ---- Colin f wrote ----
>
> >
> >> -----Original Message-----
> >> From: Synth-diy [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf
> Of
> >> Tom Wiltshire
> >> Subject: [sdiy] Lin/Log VCAs and envelopes - compensating for log VCAs
> >
> >> We're usually told that the standard exponential
> cap-charging/discharging
> >> ADSR curve into a linear VCA produces a "natural" sound, because our
> ears
> >> understand volume logarithmically - e.g. we hear in dB.
> >
> >Surely an exponential decay curve into a linear VCA sounds "natural"
> because
> >it mimics the natural decay curve of any struck resonator (piano strings,
> >bells, etc) ?
> >
> >Cheers,
> >Colin f
> >
> >
> >
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