• mbbaker

    Reading a bit, it seems that 50 is the default. I have no idea how mine ended up so low. My laptop isn't so old, and I was a bit surprised that everybody was getting better results than me haha. Anyway, I'm going for responsive, so I'll keep it as low as I can without getting those dropouts. Thanks again

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  • mbbaker

    Thanks for all the thoughts!
    @whale-av @jameslo you were right about the audio delay. Increasing from 5 of 8 ms did the trick!

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  • mbbaker

    Thanks for replying. It's part of a pretty large project and woud be hard to isolate, but I've reproduced the dropouts with something simpler:

    fftDropoutExample.pd

    It is literally the phase vocoder tutorial patch with a whole bunch of extra fft-analysis windows running simultaneously. my cpu is at 16% but there are loud clicks at random intervals.

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  • mbbaker

    I'm not sure that the fft has anything to do with it, except that I haven't otherwise had dropouts without high cpu usage.

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  • mbbaker

    Hi, I have a patch that is using rfft, similar to the phase-vocoder tutorial patch. It is operating accurately and reliably until I use a large window size while have a number of instances running at once. Then I start getting crackling sounds that sound to me like audio dropouts.
    When I use the cputime object, it looks like I'm well below the threshold for where I would expect problems (hovering around 20%). Activity Monitor/Task Manager shows about 20% as well, and the total cpu load is low.

    I am not surprised that there are artifacts when I have too many instances of the patch running at once, but I'm surprised that it doesn't show up as cpu overrun. Are there other diagnostic tools I can use that would help me predict when I will start to hear arifacts?
    thanks

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