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2 audio channels from PD through sound flower to Max 6

Jan 07 2013 | 7:00 pm

Hey I’m doing a project:
I have 2 different audio channels (right and left) from pure data. I’m sending them with sound flower (2ch) to Max 6. In Max I need to have the same 2 different channels (and not a single channel with all the audio mixed up in). Does anyone know I can do it? I was thinking about using 2 different outlets, one per channel, or something like that…
Thanks for your help

Jan 08 2013 | 8:42 am

Select the input in audio status window.
You then just need to specify how many inputs you want in adc~

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

Jan 12 2013 | 3:07 pm

I still have problems with this..this is my patch, but all the channels are displayed in the first one (left outlet). I can change the position of the channels (so ch. 1 should be displayed in the right outlet) but still they are all together. I’ve already checked the audio window…

  1. 2ch.rtf
Jan 12 2013 | 4:16 pm

It seems to me more a problem in the Pd output, because I tested your patch getting input from soundflower and I correctly hear the 2 separated channels…

Jan 16 2013 | 2:49 am

ok I’ve tried to send sounds from my sound card to soundflower 64ch and then Max but this time I have three channels input and two output (my laptop). Now I can’t see anything on Max.. :/

Jan 16 2013 | 2:59 am

I’m also trying sound flower 2ch – max with two inputs…still not working..I’ve checked the audio settings of my laptop everything seems ok..this is driving me mad…

Jan 16 2013 | 10:41 am

Ok, here’s a screenshot of my setup. Do you notice something different from yours?

Jan 16 2013 | 10:42 am

Sorry, here it is!


  1. Screenshot20130116at11.31.12.png


Jan 17 2013 | 6:08 pm

instead of soundflower i’m now using jack, and everything is working well…!

Jan 18 2013 | 1:18 pm

so jack is crashing every 2 minutes so I'm back with sound flower still have the same problem: I can't have two different audio outputs (from ch 1 to output 1 and from ch. 2 to output 2). the channels carry different sounds that's why I need them to be separated.
Here is my setup i'm probably missing something…


  1. Schermata012456311alle13.42.04.png


Jan 18 2013 | 2:46 pm

Any difference using CoreAudio driver instead of portaudio?

And… are you sure your PD patch’s output is correct?

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Forums > MaxMSP