[sdiy] Mute solution?

oren levy orenlevysticky at gmail.com
Thu May 24 19:58:41 CEST 2018


Ideally, you’d mute by ramping down the volume over 12ish milliseconds to minimize any clicking. 

Rock & Roll,
Oren Levy

> On May 24, 2018, at 10:48, Tom Bugs <admin at bugbrand.co.uk> wrote:
> 
> Yeah, my thought too (haven't got my copy to hand) - there's a whole chapter on switching.
> Great book!
> 
> 
> On 24/05/2018 18:43, Byron G. Jacquot wrote:
>>> 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.
>> Have you been through the iterative mute circuits presented in Doug Self's Small Signal book?
>> 
>> My recollection is that he settles on a series/shunt FET solution, as found in the Soundcraft 6000.  It's also similar to the bypass circuit found on most Boss pedals.
>> 
>> -Byron Jacquot
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