[PD] Controlling amplitude with readsf~

IOhannes m zmölnig zmoelnig at iem.at
Tue Apr 22 12:43:19 CEST 2014

On 04/22/2014 12:31 PM, Claire O'Connor wrote:
> Hey everyone,
> Just wondering if anyone knows how to control amplitude with 'readsf~'? I
> want to use 'line~' to ramp it down but am unsure as to how it would all
> connect up.


multiplying an audio signal (like the output of [readsf~]) will
"amplify" the signal.
using [line~] to ramp it is very important if you care for smooth gain
changes (most people do; and many people don't know that they can use
[line~] for this - you are obviously among the blessed that do know)

a classical "gain section" in your patch would look like:

[pack 0 50]
[line~]            input signal
|                   |
[*~                 ]
output signal


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