• jameslo

    I see you're clearing the [rpole~ 1] every 100 seconds using [metro].
    Won't this cause a hiccup since it's running at control rate?

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  • jameslo

    Have you tried [sigmund~]?

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  • jameslo

    I'm happy you asked because I've struggled with this too. I've also noticed that the cutoff frequency above which there is attenuation is related to the Q factor, even when filtering sine waves many octaves lower. I've either switched to using [bob~] or just resigned to using a max 5khz cutoff. Hopefully someone will have more insight into this.

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  • jameslo

    Oh I see! And I've learned something too: that second patch I posted was an adaptation of a larger audio-rate S&H shift register, and I just assumed I had to oversample in order for the shift operation to look like it occurred in one clock. But your way does it in one clock without the fuss.

    I've always wanted to learn SC, maybe now's the time to start.

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  • jameslo

    OK, well I'm still in the dark, but if you manage to get something working in PD please post it back so I can see what we've been discussing! :)

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  • jameslo

    I reread @ddw_music's 2nd post and thought maybe this is relevant? (I'm sure I'm still not understanding something...)

    Annotation 2020-03-20 175353.png

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  • jameslo

    I'm not quite following this discussion, so I'm going to throw out a naive idea in the hope that someone will point out what I'm not understanding. Apologies in advance.

    Annotation 2020-03-20 090215.png

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  • jameslo

    Oh wait, I just remembered one issue I had: if "verbose" was selected in Preferences->Path, I couldn't run a particular patch. Not sure if that's relevant to your issue.

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  • jameslo

    FWIW, I had a working installations of PD 0.49 and 0.50 on a mid 2012 MacBook Pro running High Sierra up until the new year when I upgraded to Mojave. Both installations were reliable enough to use in a theater setting.

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  • jameslo

    I sometimes use fexpr~ for very short audio delays, here's a demonstration patch:
    Annotation 2020-02-15 114814.png
    Not sure how expensive this is. The negative number in the square brackets is the number of samples to delay by. Just to see what would happen, I tried 64 and 65 and it appeared to work (at least when snapshot~ was looking) but I got an error message in the console:

    expr: input vector index <  -VectorSize, (vector x1[-65.000000])
    $x1
    -
    65 
    
    
    fexpr~: index assumed to be = -64
    fexpr~: no error report till next reset
    

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Internal error.

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