[PD] slide~ (msp) in pd

[Alexandre Torres Porres]

the other day I implemented, just for fun, the [cyclone/slide~] object with
[fexpr~], it's 100% compatible to vanilla. find it attached. cheers

2013-10-28 18:41 GMT-02:00 peiman khosravi <peimankhosravi at gmail.com>:

> Thanks very much. This is the answer for me!
>
> Best,
> Peiman
>
>
>
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> On 28 October 2013 10:27, Funs Seelen <funsseelen at gmail.com> wrote:
>
>> On Mon, Oct 28, 2013 at 10:05 AM, peiman khosravi <
>> peimankhosravi at gmail.com> wrote:
>>
>>> Since I'm on a mailing spree: how can I make a pd version of slide~
>>> (MSP), which, according to the msp reference, is a logarithmic lowpass
>>> filter for smoothing envelops. Anything similar will do. I'm using vline~
>>> for now to smooth out midi faders but it doesn't feel quite the same.
>>>
>>> And on a related subject: what is the best way to create an exponential
>>> signal ramp?
>>>
>>>
>> [vline~] is not a lowpass filter, so I guess you use [vline~] to control
>> a signal controlled lowpass filter. To make this exponentional you could
>> connect [vline~] to the right inlet of [pow~] and make sure the output of
>> [vline~] is [0-1] (and never exceeds 1). Then choose your range (e.g.
>> [500-1000]). Connect [sig~ 2] to the left inlet of [pow~] and multiply the
>> output by 500. To scale the range, just use [*~] or [/~] and never [+~] or
>> [-~], for you're working on an exponential scale. This means that an output
>> of 0 is impossible, so for a logarithmic amplitude control choose a very
>> large range (e.g. 1-100000) and divide the output by the same value to get
>> the range [1/100000-1].
>>
>> Hope this helps.
>>
>>
>
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