m4l route audio in from another channel
i have a pretty basic question but, searching online, i haven't found a solution.
i'm trying to do something fairly simple--build a device on one channel that will accept two (stereo) signals, one from the home channel and another from a "modulator" channel. then the signals can be cross-synthesized, for example.
live objects can do all kinds of multi-channel audio routing--e.g. sidechaining, vocoding--but, i can't find a way for a max4live device to receive audio from a channel other than the one that the device lives on. is there a solution for this? it seems like pretty basic functionality, hopefully i'm missing something simple.
You are looking for a sidechain input, but M4L doesn´t have that.
A M4L audio device can only have 2 channels.
You need to do something like this in order to modulate 2 sources from different tracks with each other.

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or use two dedicated devices with plugsend~ / plugreceive~ and get along with the latency
Is it true that a M4L device can only have 2 channels? that's so disappointing. I'm trying to do more or less the same as OP and haven't even been able to get it to work with plugsend~ or other variations. I can't believe such a simple routing operation isn't possible here.