Old 02-04-2019, 04:26 PM   #1
Curtis
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Default Midi Bus question

I have seen the statement in the forum that Reaper supports 64 midi ports, in the manual it states that the supported ports are 16.

Which is correct?

Last edited by Curtis; 02-05-2019 at 06:28 PM.
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Old 02-04-2019, 10:35 PM   #2
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What exactly do you mean by Midi "ports" ?

I just know OS Midi "devices" (AFAIK not limited), Reaper Midi "Buses" (16), and Midi message "Channels" (16).

-Michael
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Old 02-05-2019, 12:02 AM   #3
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What exactly do you mean by Midi "ports" ?

I just know OS Midi "devices" (AFAIK not limited), Reaper Midi "Buses" (16), and Midi message "Channels" (16).

-Michael
That is what I'm talking about,I guess some people just spread false information.
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Old 02-05-2019, 12:03 AM   #4
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MIDI ports is not the same thing as MIDI busses. Reaper supports up to 64 hardware MIDI ports (source: https://askjf.com/index.php?q=3779s), yes. 16 MIDI busses are used internally for routing purposes. Completely different things.
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Old 02-05-2019, 01:35 AM   #5
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MIDI ports is not the same thing as MIDI busses. Reaper supports up to 64 hardware MIDI ports (source: https://askjf.com/index.php?q=3779s), yes. 16 MIDI busses are used internally for routing purposes. Completely different things.
I have some software midi bus (8 each).
Are these considered the same as hardware.
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Old 02-05-2019, 06:53 AM   #6
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That is what I'm talking about
Then what ? Devices, Buses or Channels ???

-Michael
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Old 02-05-2019, 06:55 AM   #7
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Originally Posted by EvilDragon View Post
Reaper supports up to 64 hardware MIDI ports (source: https://askjf.com/index.php?q=3779s)
So this is "devices", and seemingly Reaper can use up to 64 of them, while the number the OS can hold might be not limited.

-Michael
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Old 02-05-2019, 06:57 AM   #8
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Quote:
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... software midi bus ...
Outside of Reaper, hence not what is "Midi bus" in reaper speak ? So what is this ? Which "Software" program ?

-Michael
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Old 02-05-2019, 07:14 AM   #9
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Originally Posted by mschnell View Post
So this is "devices", and seemingly Reaper can use up to 64 of them, while the number the OS can hold might be not limited.

-Michael
On Windows at least max number of MIDI devices is limited. Until XP/2000 it was 10 MIDI devices/ports, I think they expanded that to 32 under Vista/W7 (BUT many apps using MIDI still used old APIs, which limited them to first 10 ports, creating problems if you already had that many devices installed), and on W10 the new UWP MIDI (which no DAW apart from Sonar uses...) supports at least 64 devices/ports.

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Old 02-05-2019, 03:32 PM   #10
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Outside of Reaper, hence not what is "Midi bus" in reaper speak ? So what is this ? Which "Software" program ?

-Michael
I have a software called "loopmidi" to Reaper it's a bus, it installs as a device in windows 10.
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Old 02-05-2019, 06:34 PM   #11
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If you read page 350-351 of the Reaper manual, it starts out with routing MIDI then goes in routing using buses. If you do not add any devices or software is there a way to use the buses available as written in the manual, since the manual does not say anything about adding anything to make buses available.
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Old 02-05-2019, 10:53 PM   #12
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I have a software called "loopmidi" to Reaper it's a bus, it installs as a device in windows 10.
I also use LoopMidi. And NO: to Reaper it's not a bus but a Midi Device. You can set it both with Midi input and with Midi output enabled. Then you can use it as Track "input", and with (Midi) Routing you can set it as "hardware" output.

In Reaper "Midi Buses" is jut an internal means of Midi Routing, and not (directly) related to interfacing anything outside of Reaper.

-Michael
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Old 02-05-2019, 10:58 PM   #13
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Quote:
Originally Posted by Curtis View Post
If you read page 350-351 of the Reaper manual,
The Manual often talks in terms of examples and not in pure technical language. For me (as a computer pro) this sometimes is problematic, but for many others I suppose it's helpful.

-Michael

Last edited by mschnell; 03-24-2019 at 01:36 AM.
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Old 02-05-2019, 11:17 PM   #14
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The Manual often talks in terms of examples and nit in pure technical language. For me (as a computer pro) this sometimes is problematic, but supposedly for many others I suppose it's helpful.

-Michael
The manual quite often drives me crazy with read a paragraph then says see another section. I'm accustomed to technical manuals where the entire subject is in one section.
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Old 02-06-2019, 08:21 AM   #15
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I now see where part of the confusion comes from.

By default LoopMidi names the Midi devices it creates "loopMIDI Port 1", "loopMIDI Port 2", ...

But before creating them you can type in any name you want e.g. "Midi Pipe 1", "Midi Pipe 2", ... or "Midi Noodle 1", "Midi Noodle 2", ...

Reaper would report just these names, and hence you "accidentally" see the "... MIDI Port ..." thingy in Reaper.

-Michael

Last edited by mschnell; 02-06-2019 at 03:16 PM.
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Old 02-06-2019, 08:28 AM   #16
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Quote:
Originally Posted by EvilDragon View Post
I think they expanded that to 32 under Vista/W7 (BUT many apps using MIDI still used old APIs, which limited them to first 10 ports,
In Win 10, I just used LoopMidi to create 40 Midi devices, and Reaper can see them all. Using some as track inputs could be configured without a problem. I did not test to create any traffic.

Obviously Reaper can handle at least 7 Midi Pipes, each of them containing 25 Midi Noodles, making a total of 175 midi ports.
-Michael

Last edited by mschnell; 02-06-2019 at 08:56 AM.
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Old 02-06-2019, 10:33 PM   #17
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Quote:
Originally Posted by Curtis View Post
The manual quite often drives me crazy.
Unfortunately, the kind manual writer, (who does this just for fun and for the benefit of his fellow Reaper users), can't know about Midi Pipes, Midi Noodles, and Midi Ports, as those don't exist in Reaper or the OS Reaper runs in.

-Michael
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