Forums > MaxMSP

audio interrupts when editing patch

Jul 12 2013 | 4:45 pm

Hello everyone,

I experience short audio interruptions when I’m editing a patch, like adding or removing objects, while audio is running.
I tried setting the IO vector to minimum (64 samples) and scheduler in overdrive to off, but I still have very short interruptions (though they slightly shortened).
I have this problem when I’m using my external sound card and when I’m using built-in output, so it’s not a sound card problem.
Also I don’t have this problem in PureData, which is running at a vector size of 64 too.
Is it my computer that is getting too old ? :(
Or is there any other trick that I’m unaware of ?

Thank you,


Jul 13 2013 | 2:06 am

This is entirely normal behaviour, as MaxMSP recalculates the new DSP chain.

A newer machine with a good audio driver will allow you to optimize the signal vector size.


Jul 13 2013 | 2:36 am

Actually you’re right and pd does it to, but only when you try to load external objects or your own abstractions. However when you add a new built-in object there’s no click.
How come I never noticed this before ?
I’m still going to do some clean up on my computer because it has been a bit slow lately.

Anyway, thanks for your answer Brendan.


Jul 13 2013 | 9:07 am

Look in the Max preferences (in the Max menu). "Enable Mixer Crossfade" should be on, to eliminate this dropout.

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Forums > MaxMSP