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IDProjectCategoryView StatusLast Update
0008197ardourbugspublic2020-07-06 15:10
ReporteralastA4204 Assigned To 
Status newResolutionopen 
PlatformUbuntu OSStudio OS Version20.04
Product Version6.0 
Summary0008197: Ardour transmits midi on ALL 8 midi outs
DescriptionOn initial start Ardour transmits midi on all 8 of the AMT 8 midi outs when I select amt out 1 . When I select two or more outputs then select AMT out 1 it behaves as expected
Steps To ReproduceHappens on almost every start up , workaround of selecting then de selecting out puts works fine
Additional InformationThis is a fresh install of Ubuntu Studio 20.04 and a fresh download of Ardour 6
TagsEmagic AMT 8



2020-07-03 04:08

administrator   ~0024572

This is either a feature of the AMT itself, how you have the AMT configured, or how you connected things.

Ardour delivers MIDI to a "port", which in general corresponds (1) for audio, to a single mono channel (2) for MIDI, to a hardware MIDI port.

I regret that this "When I select two or more outputs then select AMT out 1 it behaves as expected" suggests that this behavior comes from the AMT itself.


2020-07-06 10:06

reporter   ~0024617

Alastair Fulcher <>

Thanks Paul . The Emagic AMT 8 needs setting up in this screen here before it works as I expected . Saved as start up song

Window- Midi Connections

Warmest regards as always

Midi AMT 8.png (222,096 bytes)   
Midi AMT 8.png (222,096 bytes)   


2020-07-06 13:32

administrator   ~0024618

Needs setting up how?


2020-07-06 15:10

reporter   ~0024619

Sorry, just click on channel 1 to channel 1 channel 2 to channel 2 and so on . After a save it seems to work fine . I seem to remember with windows there was a separate utility to do this so Ardour is better in that respect.

Hope this helps. Probably needs marking as resolved .

Issue History

Date Modified Username Field Change
2020-06-03 09:45 alastA4204 New Issue
2020-06-03 09:45 alastA4204 Tag Attached: Emagic AMT 8
2020-07-03 04:08 paul Note Added: 0024572
2020-07-06 10:06 alastA4204 File Added: Midi AMT 8.png
2020-07-06 10:06 alastA4204 Note Added: 0024617
2020-07-06 13:32 paul Note Added: 0024618
2020-07-06 15:10 alastA4204 Note Added: 0024619