Forums > MaxMSP

recalling presets interrupts scheduler?

December 3, 2008 | 3:03 pm

I’m doing some fairly simple step sequencer stuff, sending out midi sequences determined by a couple of matrixctrl objects and a few multisliders, which i can store in a preset object.

when I change sequence by recalling a different preset, the midi output is interrupted, and mistimes for a beat or so.

I’ve tried using pattrstorage, and if anything the glitch is worse.

Any ideas why this is, and how i can avoid it ?


December 3, 2008 | 7:04 pm

can you post a simple example of what you are experiencing? Do you have Overdrive turned on?

-ben


December 4, 2008 | 12:51 am

my bad…

simplified the patch and sure enough, preset was flushing some notes that shouldn’t have been flushed…….works fine now

just bought Max 5….the interface is great so far.


December 10, 2008 | 7:42 pm

actually I still have a problem with this

this patch shows how using midi input to change a preset (that causes a few calculations to occur) causes notes to be output erratically, but using the computer keyboard doesn’t cause an interruption.

i have no idea why this is but its ruining my acid lines.


December 10, 2008 | 10:01 pm

If I turn Overdrive on it works fine.

-A


December 10, 2008 | 10:21 pm

Actually – I tell a lie, there does seem to be some kind of difference in performance between using the keyboard and using MIDI.

Perhaps there’s just too much going at high priority. Try putting a defer before the preset object.

-A


December 10, 2008 | 10:57 pm

works like a charm….


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