[PD] Combining two audio signals

[Lorenzo Sutton]

Hi Julian,

J bz wrote:
> Hey all,
>
> I have two audio signals, 1 instrument input and then some processing 
> of the instrument.
>
> What I want is for the processing to work like [swap] where when the 
> instrument is loud the processing is quiet and vice versa.
>
> My question is how can I do this smoothly without there being big 
> jumps at the beginning and end of the processed sound?


You should find a way to smooth out the volume 'jumps', as I guess from 
what you write that the changes are triggered by some sort of envelope 
following.

One trick might be to smooth out these jumps with a lowpass filter 
[lop~] with fairly low cut-off frequency (around 10 Hz for e.g.).
Otherwise using [line~] can also be used to smooth non-continuous messages.

Lorenzo.

>
> Cheers,
>
> Julian
>
>
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