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Problems with rythmical syncronizing during acceleration of speed

October 29, 2009 | 5:12 pm

Hi, I’m trying to realize an additive synthesis of pulses for having a serie of multiple rythms.
For example I would like to have two different pulse trains with two different speeds: respectively 1T and 2T. These pulses generator must be in sync with phase, also when I’m going to change their speeds simultaneously.
I’ve tried with train~ object and also with metro + click~, but there’s a progressive and continuos phasing, also when Speeds are constant.
Can anyone help me to solve this?
Many thanks


November 3, 2009 | 4:06 am

look at phasor~ + rate~. figure out how to turn phasor~ into a pulse and you’re set.


November 5, 2009 | 8:16 pm

even in a signal-only system with two pulsetrains you will
find that the timing resolution ends at the samplingrate.

the last inlet of train~ should take signal, too – is that
what you are looking for?


November 5, 2009 | 8:30 pm

Would the train.shift~ external from Nathan Wolek be useful? It will give you pulse signals with evenly-spaced phase relationships between each output.

http://www.lowkeydigitalstudio.com/category/maxmsp/

I think it’s in the granular toolkit package if you’re interested


November 5, 2009 | 8:58 pm

Thanks!I’m trying now this workaround, I will let you know my results.


November 6, 2009 | 2:55 pm

Maintaining rhythmic ratios across varying tempi is one of the key features of my external samm~ which you can find here:

http://www.sarc.qub.ac.uk/~elyon/LyonSoftware/MaxMSP/

-Eric


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