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UMC404HD - can I access all four outputs from an iPad?
So, before buying AudioBus, I'm wondering if anybody has had success sending the audio from AudioBus to the four outputs of a Behringer UMC404HD. Does anybody have experience with this?
I'm using BandHelper on an iPad 8th gen. While I can see and select the 4 outputs of the UMC404HD in BandHelper, unfortunately no audio comes out. Audio only emerges from BandHelper when you turn off the Multi-Route audio, and then the four streams just mix together and come out channels 1/2.
Supposedly, BandHelper's four audio streams can also be accessed by inter-app audio. The idea would then be to use AudioBus to route the audio to the UMC404HD's four outputs. So, before I buy AudioBus, I'm wondering if anybody has had success sending sound to all four outputs of a UMC404HD.
Comments
You might want to search on the forum for posts about the interface and iOS. The issue won’t really be whether Audiobus in particular can send audio to those outputs but whether iOS can in general and how the interface needs to be configured.
I see there is at least one thread about it:
https://forum.audiob.us/discussion/28076/behringer-umc-404hd-with-ipad-review-setup-and-quick-mic-test-added-routing-explanation-video
There may be others . Also do a web search for UMC404HD and iPad.
I've searched high and low, in this forum, and generally on the internet. I haven't found anyone trying to send audio from iOS to anything other than the default stereo output. People are using multiple inputs, but not more than the default outputs.
I am using BandHelper. If I leave Multi-Route Audio turned off, the interface receives output from the app, and sound comes out of channels 1/2 on the UMC404HD. As soon as I activate Multi-Route Audio, no audio comes from the UMC404HD.
In the thread you mentioned, he does have his video explaining the routing. However, in the video, there's no demonstration of actual playback happening audio to those outputs. He's showing us the theoretical capability, and explaining it, but there's no actual demonstration. In BandHelper, I can also see, select, and assign the four interface outputs. Unfortunately, in actual practice, no audio comes out.
FWIW, multi-route audio is known to be a somewhat unreliable feature of the OS -- it works well in some situations and combinations of hardware and not so well in others.
I know nothing about Bandhelper.
What OS are you running? What iPad? What all is connected to your iPad? Reading through the posts on the forum, a couple of people mentioned that it doesn't play well with some hubs. What are the interface outputs connected to?
As someone who started with computer audio back in 1999, I understand growing pains. Nowadays, that world is pretty stable. However, I recognize that professional audio production (or reproduction) on tablets and phones is still in its infancy.
BandHelper is the successor to SetListMaker which has been around a long time. It is designed mostly for musicians' live performances. Its main functions are organizing sets, displaying lyrics/music/documents, giving tempos/keys/starting notes/chords, and playing backing tracks. It does all this really quite well.
My setup:
I've also tried connecting and powering the interface through a Plugable 7-port powered USB hub in place of the AC adapter.
Boom! Figured it out. I leave this here for anyone else who is looking to solve this problem.
Here is the configuration that works.
The interface must be USB powered. You can't have it connected to its power adapter. However, an iPad cannot provide the 900mA which the interface needs. So, you need a powered USB hub.
Make sure the USB hub's power adapter is plugged in, and that the hub is turned on. Connect the interface to a USB A port on the USB hub. Then, connect the USB B on the hub to the Apple Camera Adapter's USB A port. Then, connect another cable from the Apple Camera Adapter's lightning port back to a USB A port on the hub.
Then, with everything hooked up, plug the camera adapter into the iPad's lightning port.
So, the trick is that both the lightning port and the USB port on the camera adapter need to be connected to the USB hub. The hub provides enough power to both charge the iPad (through the lightning port), and to run the interface. Connecting the lightning port to an external charger renders the system non-functional. I'm not sure why.
*note: I'm using a powered USB3 hub which is also capable of providing fast charge on all of its USB A ports. I don't know if that makes a difference or not.
what hub are you using?
A Plugable USB3-HUB7BC.
It is a USB3 hub, and has fast charging capability on every port. I'm not sure if that makes a difference, but it's what is working for me.
So far, I've only tested the hub being connected to mains electricity through its power adapter. I don't know if it could be powered by a rechargeable power bank, as I don't have the funky little cable to go from the USB port on a power bank to the DC input on the the USB hub. In any case, it would need to be a power bank capable of delivering 12V 5A.