Forums > MaxMSP

tap tempo looper, playback rate, transport.


nedrush
Nov 20 2012 | 8:23 pm

i want to record a loop, whilst also setting the tempo, start the transport at the end of the loop, and have the playback rate change according to tempo changes.

i will post my efforts, once i patch them down into small things, have tried using groove~ with some maths to recalculate the playback ratio on tempo change, and have tried using phasor~, translating ms to bbu or hz, but it doesnt listen to tempo changes when using certain translate formats. i have no problem working this out when the transport is running, but when its idle, i can record an initial loop, but cant figure out a decent way to follow the playback in relation to tempo. basically i am trying to build a basic version of Ableton lives looper to use stand alone in maxmsp 6.

examples to follow shortly.

thanks
ned.


nedrush
Nov 20 2012 | 8:34 pm

heres my attempt using groove~

i’m no expert so any ideas would be horsome.



-- Pasted Max  Patch, click to expand. --

nedrush
Nov 23 2012 | 12:24 pm

anyone?

thanks


leafcutter
Nov 23 2012 | 3:24 pm

I think you’d probably get more help if you made your patch clearer. I found it difficult to follow the flow of the patch. That aside here is a patch which does what you want. Uses play~ instead of groove~ because it can be run from a phasor~ locked to the transport. It’s set up to record one bar. 



-- Pasted Max  Patch, click to expand. --

nedrush
Nov 25 2012 | 11:23 am

thanks for your post. and sorry for the messy patch.

this is really great, very insightful.

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