Forums > MaxMSP

inter-patch midi communication

April 20, 2006 | 7:46 pm

Is it decidedly impossible to communicate within max via the Max/MSP midi
busses? I have a patch that maps my keyboard to midi notes and I’d like to
be able to use it to directly test midi-based patches without using
send/receive to fake it. Any know the full story on this?

cheese

———————
Powerbook G3/500 640/40 – Stilll great for audio!
Max/MSP, Live 4, DP4, & various hardware synths


April 20, 2006 | 8:06 pm

MIDIYoke? Does it for everything else…

What’s wrong with send and recieve?


April 23, 2006 | 10:59 am

>
> What’s wrong with send and recieve?
>

The patch I’m using is designed to take several midi controllers
simultaneously as input. The controllers are routed to different looping
engines dependant upon their midi channel. I am using my keyboard to
simulate an actual midi keyboard.

I remembered MidiPipe, which I haven’t used since I got Max. Until now. Why
can’t Max hear itself its own midi busses?

cheese

———————
Powerbook G3/500 640/40 – Stilll great for audio!
Max/MSP, Live 4, DP4, & various hardware synths


April 23, 2006 | 2:44 pm

On 23 avr. 06, at 12:59, cheese wrote:

> I remembered MidiPipe, which I haven’t used since I got Max. Until
> now. Why can’t Max hear itself its own midi busses?

Maybe because there’s send/receive…

ej


April 23, 2006 | 4:54 pm

Quote: Emmanuel Jourdan wrote on Sun, 23 April 2006 08:44
—————————————————-
> On 23 avr. 06, at 12:59, cheese wrote:
>
> > I remembered MidiPipe, which I haven’t used since I got Max. Until
> > now. Why can’t Max hear itself its own midi busses?
>
> Maybe because there’s send/receive…
>
> ej

hehe. :)

well, if you adress a program twice in the
midi setup, how should mac OS or windows know
where to send stuff to? one bus – one program.

you should make your keyboard thingie a subpatch.
(add inlets and outlets and then you can call it
from the other patch by [p mykeyboardfilter]
right behind the midiin object.)


April 23, 2006 | 6:20 pm

OK, I guess that technically "to Max/MSP" and from "Max/MSP" are separate
busses. I interpereted those names to be the setter and getter of one bus,
so it made sense to think that dropping something down the tube would make
it come out the other side.

Do you mean Audio Midi Setup (osx)? Max doesn’t show in there; should it?

cheese

———————
Powerbook G3/500 640/40 – Stilll great for audio!
Max/MSP, Live 4, DP4, & various hardware synths


April 23, 2006 | 10:02 pm

> Do you mean Audio Midi Setup (osx)? Max doesn’t show in there; should it?

No.

If you’re using 10.4.x, you can enable the IAC bus in AudioMIDI setup. This has no concept of "direction", ie each IAC bus can be both a source and a destination, so you can output to it from Max and receive from it in Max.

Warning – it’s very easy to setup a MIDI loop using the IAC bus. Also note the IAC busses in 10.3.x can be very flaky, thus the advice to use 10.4.x.


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