[sdiy] Mute solution?

Quincas Moreira quincas at gmail.com
Sat May 26 04:27:51 CEST 2018


The Befaco Hexmix uses Vactrols, super musical mutes, I love them :)

https://youtu.be/3-VgBRgHEfU


On Thu, May 24, 2018 at 1:47 PM, Roman <modular at go2.pl> wrote:

> Any of circuits described here didn't work?
>
> http://sound.whsites.net/articles/muting.html
>
> Maybe you control it with too fast envelope. Filter down the control below
> 100Hz and it should not click.
> How about detecting zero-zrossing and shutting down the audio with
> clamping MOSFET or whatever when signal is no more than 1mV away from GND?
> No clicking.
>
> Roman
>
> Dnia 24 maja 2018 17:46 Tim Ressel <timr at circuitabbey.com> napisał(a):
>
> Hi all,
>
> A while back I had asked about clickless mutes and got some good ideas
> but could not get anything to work. I am leaning towards using a digital
> pot as an attenuator. This may seem a bit overkill but it will get
> things moving. The DS1882 is a dual log dig pot that is unique in that
> it will handle bipolar audio up to +/- 7 volts. Since my design already
> has a small processor, it is no problemo to controls these.
>
> --
> --Tim Ressel
> Circuit Abbey
> timr at circuitabbey.com
>
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-- 
Quincas Moreira
Test Pilot at VBrazil Modular
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