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External Instrument now only producing sound in left channel...?


Isaac Edwards

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Hi Team.

 

I'm at wit's end trying to figure this out. Details first:

 

Computer=iMac Retina 5K 27-inch Mid-2015

OS=Catalina 10.15.7

 

iPad Pro 2018

iOS=15.0.2

 

Roland FA-08 | System Program 2.03 | Driver 1.0.5 (everything current)

 

LPX 10.6.3

 

Two weeks ago, I had no problems. Most often, I am using my FA-08 as a MIDI controller. I currently am not using an external audio interface and plug directly into my iMac via USB. I was going to do some iPad production, and set up the External Instrument-Software track in LPX with an Input Monitoring Audio track. The FA-08 was triggering the iPad but no sound was being routed back into LPX. I reviewed my Audio-MIDI Setup, made sure the iPad was enabled and reviewed my audio-MIDI routing in LPX. To me, everything seemed just as it had always been when I've done this before, but now sound was only coming out of the iPad. Below is a screenshot of the Audio-MIDI Setup before I've enabled the iPad.

 

195978714_ScreenShot2021-10-14at8_20_00PM.thumb.png.9791def635d4a41a907f0ad2884e0a97.png

Audio Devices 1

 

This is not something new, but I though perhaps worth mentioning: when I enable the iPad, a generic iPad icon enables, but the named iPad icon stays below with an 'Enable' option. I've included an image of this below, as well as what my Audio-MIDI Setup looks like.

 

388213212_ScreenShot2021-10-14at8_20_40PM.thumb.png.1c0120ef8f121b56e0066f8988bb3880.png

Audio Device 2

 

292088638_ScreenShot2021-10-14at8_21_48PM.thumb.png.b4577df29b9666ea00bd59cf6aba4f15.png

MIDI Studio

 

Not being able to get my iPad to interface correctly, I decided to first just make sure everything was going well for the FA-08. So I set up a new External MIDI-Instrument track and Input Monitoring audio track with the FA-08 as controller and sound source. And here things took a strange turn: once again MIDI was being registered by LPX, but no sound was coming in. However, when I added a Gain plug-in to the MIDI chain, I would suddenly get sound, but almost entirely in the Left channel, extremely faint on the Right channel. I've included pictures below of what the External MIDI-Instrument set up looks like.

 

1252359981_ScreenShot2021-10-14at8_18_11PM.thumb.png.1e401eab252c0cf47fbdabdfb448f588.png

Project Preferences

 

14772122_ScreenShot2021-10-14at8_16_46PM.thumb.png.79cea7a12565e17a7d5262331ab695a1.png

Create New Track

 

917293738_ScreenShot2021-10-14at8_17_26PM.thumb.png.100b88f287c86c4bac268b4135150729.png

External Instrument plugin

 

As I mentioned at the top, I've set up my FA-08 to record, as well as my iPad, previously, and had no problems with Audio/MIDI over USB. But now it seems nothing is working correctly. I have switched through USB ports, even got a new cable to troubleshoot that, same results.

 

Thanks upfront for any and all help that can be provided. I am happy to answer any questions and hope I have not been too confusing in this post. Thanks again.

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