I think the main problem is that you first read the channel "Cutoff" with a chnget and create a variable kFiltEnv from its output.

kFiltEnv chnget "Cutoff"   

But a few lines later you create an envelope with an output with the same name. This will simply overwrite the first kFiltEnv.

kFiltEnv   expsegr      0.0001, .5,     iEnvMaxFrq,   .25,   iEnvMaxFrq,     1.5,      0.0001

Maybe you want to create two different variable and sum them?
---
kFiltManual chnget "Cutoff"   
kFiltEnv    expsegr      0.0001, .5,     iEnvMaxFrq,   .25,   iEnvMaxFrq,     1.5,      0.0001
kFiltEnv   limit   kFiltManual+kFiltEnv, 20, sr/2
---
limit is used to prevent the filter from blowing up.

Iain

> Date: Tue, 1 Dec 2015 11:35:44 -0700

> From: [hidden email]
> Subject: [Csnd] How To Automate Both filter Cutoff and Filter Envelope
> To: [hidden email]

>
> Hi there.
>
>
> I basically want to automate the filter cutoff, (which I have successfully
> done) and I'd also like to automate some parameters within the filter
> envelope also.
>
> It seems that I cannot automate both the filter cutoff and the filter level
> parameters within the filter envelope at the same time.
>
> If anyone has any tips on how I can automate both I'd be much obliged.
>
> P7 in instrument "DoubleOsc" seems to override any cutoff automation done by
> the "Automate" instrument.
>
> I was under the impression that the filter parameters within the envelope
> would still be reached even if the cutoff was automated. Like if the cutoff
> autmation is around 4000 and a note triggers the filter envelope with a max
> setting of 8000, that the filter will stray from the automation and open up
> to 8000 for the duration of the envelope, and return back to the automated
> level once the envelope has closed once more?
>
> I hope this makes sense.
>
> Please find attached my project file.
>
> Many thanks!
> Demonstration_Filter_Env_Not_Working_When_Filter_Already_Automated.csd
> <http://csound.1045644.n5.nabble.com/file/n5745231/Demonstration_Filter_Env_Not_Working_When_Filter_Already_Automated.csd>
>
>
>
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> View this message in context: http://csound.1045644.n5.nabble.com/How-To-Automate-Both-filter-Cutoff-and-Filter-Envelope-tp5745231.html
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>
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