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Loopy Pro - only Mono?
Hello,
Basically, I want to use my PC Audio as an Input for Loopy Pro on my iPad.
I have my Audio Interface connected to my PC via USB. Next, I have a 3.5 mm Jack to Dual 6.35 mm Mono Y Splitter (TRS) connected to the output of my Audio Interface. The Dual Mono goes into the Audio interface, the 3.5.mm Jack goes into a "Headphone Headset Splitter", a cable which splits a TRRS input into headphone audio and microphone input. The TRRS 3.5mm Jack goes via a 3.5mm Jack to Lighting Adapter into my iPad.
This Setup allows me to record my Audio from my PC (e.g. from a DAW) into a donut in Loopy Pro. This works well, but there is one major problem: The recorded sound is mono, although the sound on my PC is stereo. I don't understand why this happens.
Does anyone know how to solve this issue? How do I record audio from my PC into Loopy Pro on my iPad in STEREO?
Thanks!
Comments
Loopy records what it receives. If it is recording mono then there is probably a problem with the series of connectors. I believe any recording app would end up with the same signal.
Which channel are you receiving? That should help you figure out where things are going wrong.
WOw. I'm not an expert, but this seems to be unnecessarily complicated. I have so many questions.
First, why are you not using your interface on your ipad instead of your PC? Then just use a stereo audio cable going from your PC headphone jack over to the iPad?
How do I check what channel I'm receiving? 😅
On Looper Pro its 1+2, but sadly 1 and 2 are the same (mono).
Load a source on your pc that has completely different audio on the left and right channels. If your adapters are correct, the received audio will be in the same channels.
What is the audio interface you are using on the iPad…are you sure it is stereo?
Somewhere along the line you have a connector or cable that does something different from what you think.
Interesting idea! Seems way more convenient.
I would need a usb a to lighting adapter to use my interface on my ipad, right?
And what exact "stereo audio cable" do I need to connect from my pc headphone jack to interface?
Youre probably right. My Audio Interface is a Scarlett 2i2, but I use it on my PC, not the iPad - i take the two outputs on the back of the interface and put them into the ipad (with the adapters I mentioned above).
The Interface is obviously stereo, but maybe the cables make it mono? Maybe its the Y-Spliter?
The iPad microphone input is inherently mono, whether you use the iPad headphone jack or the USB "headphone" adapter you describe. You need to use an iPad audio interface that accepts a stereo input in order to record stereo.
(Notice that you're using a TRRS connection in your circuit. It has only 3 separate channels, for the Tip and the two Rings. That means stereo headphone and mono microphone.)
Ah, I think this is it.
So in order to have a stereo input I will need a USB-A adapter to lighting to connect my audio interface directly to the iPad, right?
And to connect my pc to the interface, can I just use a 3.5mm to 6.35mm TRS cable, plug in the 3.5mm into the pc headphonejack and the 6.35mm into the the audio interface? Will this work?
Sounds good. Get a USB adapter with the added Lightning power port, this one or equivalent, so you're not reliant on the iPad battery.
Be sure to get the official Apple Lightning to USB3 adapter. Knockoffs may work, but often have intermittent issues. You can also power/charge the iPad at the same time with that one.
In the US at least, Apple direct has good pricing and fast shipping.
btw, sometimes recording direct on the PC and exporting to a thumb drive to bring over to the iPad is the easier way to go. Audio is cleaner, having gone through less Digital to Audio conversions. You also will have latency to deal with going from the PC to an audio interface and into Loopy. Which is easier depends on what you're doing. But nine times out of ten for me it's just easier to do it that way.
You would still need the Lightning to USB3 adapter to handle the thumb drive.
It's also possible to connect to a shared folder on the PC to transfer files, though I don't often bother with that.
I’ve always found the simplest and easiest way to record the audio from my PC into my iPad is by using two audio interfaces, this makes life super simple, one interface for the PC, outputs from that into another interface for the iPad, all monitoring can then be done via the interface connected to the the iPad, works a treat.
You probably already have your answers from the other replies. But just to address your question, you could use your aforementioned Mono Y Splitter (TRS) straight into your scarlet 2i2 (which goes into your ipad via usb camera adapter).
This is the way I do it, too. Thumb drive makes things easier.