[PD-dev] interpolating scalar dsp fuctions

[Tim Blechmann]

> and then: interpolating for one block-size might produce clicks or not 
> (depending on the blocksize, samplerate): so what you'd gain ? nothing 
> but confusion why it works or not.

currently a volume control looks like this:

   |line~|
   |
|*~|
|

means there is a line~ object that's consuming cpu power and a vector/vector
multiplication that comsumes cpu power ...

if it's only something like this:

   |line|
   |
|*~|
|

line is only generating messages and the multiplication is a vector/scaler
multiplication ... (except for the interpolating part)

what you gain? free cpu power ... i once did some profiling on my performace
patch an was suprised how much cpu usage line~ takes ...

cheers ... tim

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