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Multi channel AU support?

So I was looking into NYCompressor and realized it has built in side chaining support with four inputs if your host supports it. I wasn’t aware of this feature in AU. I’ve seen posts from a while ago about no hosts supporting it but has this changed?

Comments

  • Not as far as I know. AUv3 has supported it from the get-go, but I’m not aware of any hosts that do.

  • That would be cool and I do wonder if it will be @LFS and the Cubasis team that will bring this AUv3 feature to us in some of the Cubasis updates scheduled for 2018 together with AUv3 Midi etc. etc.. :)

  • @Samu said:

    That would be cool and I do wonder if it will be @LFS and the Cubasis team that will bring this AUv3 feature to us in some of the Cubasis updates scheduled for 2018 together with AUv3 Midi etc. etc.. :)

    This would be a nice movement. Also for multi-output drum AU

  • @realdavidai said:
    @Samu said:

    That would be cool and I do wonder if it will be @LFS and the Cubasis team that will bring this AUv3 feature to us in some of the Cubasis updates scheduled for 2018 together with AUv3 Midi etc. etc.. :)

    This would be a nice movement. Also for multi-output drum AU

    In Cubasis I just duplicate the tracks and remove un-needed notes. They eat so little cpu anyway. Same in GarageBand. This works for me since I mostly use samples.(ie. Sample the source / sound and sequence it). This also keeps the number of apps running at the same time as low as possible.

    What I would love to see happen in Cubasis is better routing of midi and audio so one midi track could be used to drive multiple destinations and also grouping / routing of audio tracks.

  • @Samu said:

    @realdavidai said:
    @Samu said:

    That would be cool and I do wonder if it will be @LFS and the Cubasis team that will bring this AUv3 feature to us in some of the Cubasis updates scheduled for 2018 together with AUv3 Midi etc. etc.. :)

    This would be a nice movement. Also for multi-output drum AU

    In Cubasis I just duplicate the tracks and remove un-needed notes. They eat so little cpu anyway. Same in GarageBand. This works for me since I mostly use samples.(ie. Sample the source / sound and sequence it). This also keeps the number of apps running at the same time as low as possible.

    What I would love to see happen in Cubasis is better routing of midi and audio so one midi track could be used to drive multiple destinations and also grouping / routing of audio tracks.

    Yes that works. I just like the flexibily of changing MIDI rearrangements at any time, there’s just a bit more friction in doing so when the drums are spread across multiple tracks so it forces me to commit :D

  • @realdavidai said:

    Yes that works. I just like the flexibily of changing MIDI rearrangements at any time, there’s just a bit more friction in doing so when the drums are spread across multiple tracks so it forces me to commit :D

    That could work in Cubasis too if it would get proper 'midi filtering/routing'.
    Drive all instrument-instances from one midi track and make each instance listen to just a specific note.

    Can't help to think about an idea of separating control-tracks & instruments.
    Keep the instruments in a 'rack' and drive them using the controll-tracks :)

  • @Samu said:

    @realdavidai said:

    Yes that works. I just like the flexibily of changing MIDI rearrangements at any time, there’s just a bit more friction in doing so when the drums are spread across multiple tracks so it forces me to commit :D

    That could work in Cubasis too if it would get proper 'midi filtering/routing'.
    Drive all instrument-instances from one midi track and make each instance listen to just a specific note.

    Can't help to think about an idea of separating control-tracks & instruments.
    Keep the instruments in a 'rack' and drive them using the controll-tracks :)

    Good ideas. So it looks like we have some things to dream about for a few more years

  • Well, it’s mid 2019 and still no multi channel AU support...

    Fabfilter plugins are supposed to use multi input/output for sidechaining, as well as DDMF compressor, but still no single host is capable of supporting this standard AUv3 feature.

    IAA is being deprecated by Apple, so several drums apps and multitimbral synths are being/will be updated to AUv3 but no multichannel support is available in any host.

    What are devs waiting for? Is there anything that prevents them from implementing this standard AUv3 feature?

  • Chicken and eggs. That’s all.

  • @brambos
    Well, I believe there are already enough chickens then... or eggs... :)

  • @Rodolfo said:
    @brambos
    Well, I believe there are already enough chickens then... or eggs... :)

    I mean.. without hosts and plugins to test with (even without sample code from Apple) there is nothing to use the feature with for users and nothing to test with for developers. And it’s not a trivial feature to add.

  • @brambos said:

    @Rodolfo said:
    @brambos
    Well, I believe there are already enough chickens then... or eggs... :)

    I mean.. without hosts and plugins to test with (even without sample code from Apple) there is nothing to use the feature with for users and nothing to test with for developers. And it’s not a trivial feature to add.

    I perfectly understand, I’m just saying that there are enough plugins available at the moment with no host capable of providing multi channel support yet..
    I read on the Fabfilter forum that a couple of devs are already working on their hosts (maybe AUM? Cubasis?) to incorporate this feature. I hope they do, it’s something that -in my opinion- could really help IOS music apps to raise the bar to another level.

  • Are there any hosts at this point that let you do mono to stereo AU's. I have some AU's that work best in this setting and I haven't been able to test them outside my own rather hacky host I use for testing.

  • @NeonSilicon said:
    Are there any hosts at this point that let you do mono to stereo AU's. I have some AU's that work best in this setting and I haven't been able to test them outside my own rather hacky host I use for testing.

    AUM has mono to stereo node.

  • @espiegel123 said:

    @NeonSilicon said:
    Are there any hosts at this point that let you do mono to stereo AU's. I have some AU's that work best in this setting and I haven't been able to test them outside my own rather hacky host I use for testing.

    AUM has mono to stereo node.

    As far as I can tell, AUM doesn't work in the way I need. It seems to run everything as stereo, even when using a mono input channel or after the stereo-to-mono routing. What I need, is the ability to install my mono-to-stereo AU effects in the same way that this works in something like Logic.

  • If you put your mono to stereo effect as a node below a mono node on the same channel how does this differ from what you are after?

    Maybe you could give a specific example to clarify?

  • @espiegel123 said:
    If you put your mono to stereo effect as a node below a mono node on the same channel how does this differ from what you are after?

    Maybe you could give a specific example to clarify?

    In the testing I've done, the mono node in AUM isn't mono. It runs a stereo channel with the mono hardware input copied on both the left and right channel. It never instantiates the mono-to-stereo routing on my AU. It always chooses the stereo only routing on the AU.

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