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Logic X Stumper
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Clinically Insane
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Apr 12, 2014, 06:39 AM
 
This is totally baffling me, and Google gives me nothing.

Simple setup:

Create a new project with one audio track. Have the input for that track be a mic, have the output be Bus 1

Make a second audio track. Set the input to Bus 1.

Record enable both audio tracks. Start recording.

While you're recording, note that the signal is coming through on both tracks. You'll see spikes in the waveforms on both tracks too.

Stop recording.

The track with the input set to the mic will be a recording of the noise you just made.

The track with the input set to Bus 1 will be silence.


I'll drum up some visual aids.
     
subego  (op)
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Apr 12, 2014, 06:52 AM
 
Here's while recording. Waveforms on both tracks. Signal on all three channels.




Here's post-recording. One good track, and one nada.

     
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Apr 12, 2014, 10:49 AM
 
Interesting. I can only get it to output when i route the outputs to the bus FIRST and let it create a channel strip in the mixer automatically. If I create an audio track and set the input to a bus, it won't work.

Auto-generated busses don't get a record button in the arrange window, either. Which kind of makes sense: if you were recording a bus, you'd probably be bouncing stems anyway and using the bounce feature. If your bus is doing live processing, there's no need to record that.

What scenario are you needing this for?
     
subego  (op)
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Apr 12, 2014, 05:23 PM
 
Making a hit rock and roll record.

Just messing around at this point.
     
subego  (op)
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Apr 12, 2014, 05:29 PM
 
AFAICT, what you said worked is what I did, but isn't working.

Make first audio track.

Set output to Bus 1.

Aux channel gets auto generated.

Make second audio track.

Set input to Bus 1.
     
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Apr 12, 2014, 05:47 PM
 
No: You right-click the Bus channel strip in the mixer and tell it to generate a track in the Arrange window.

It will create a track for the Bus in the Arrange window, which won't have a Record-Enable button. The point is to be able to have automation for the bus.

If you want to record the bus, solo it and hit "bounce".



What I don't get is why we can select the Bus as an input for an audio track, but not getting any actual input. That doesn't seem right. I can't think of a scenario where this would be necessary, given the above "real-world" context, but a) I'm probably missing an imaginable scenario, and b) if it's not going to work and not necessary for any particular workflow, it shouldn't be possible in the first place.
     
subego  (op)
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Apr 12, 2014, 06:14 PM
 
It makes sense to bounce the track instead of what I'm doing, buuuut, if Logic is going to let me do it, and show stuff being recorded, the fact once you hit stop you have a silent track... that's kinda broken.

Beyond that though, thanks very, very much!
     
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Apr 12, 2014, 06:23 PM
 
Originally Posted by subego View Post
It makes sense to bounce the track instead of what I'm doing, buuuut, if Logic is going to let me do it, and show stuff being recorded, the fact once you hit stop you have a silent track... that's kinda broken.
It's weird, because when I first tried it, it actually showed that it was recording silence.

Yep, something's amiss.
     
subego  (op)
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Apr 12, 2014, 06:39 PM
 
What Logic shows when it's recording can be quirky. I found clicking the arrange window while recording updates the waveform, and I used that method to get the screencap.

But the waveform it showed before that? Silence on the mic input track, waveform on the Bus input track. You can see the silence on that track, which is the time between me doing the click, and then setting up the screencap.

Also note the waveforms aren't properly lined up.
     
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Apr 13, 2014, 08:40 AM
 
Have you tried doing something to the second track? In other words, instead of it just being a copy of Track 1, change some parameter. Maybe Logic X is just telling you "You didn't have me do anything with that, so it must have been a mistake - on your part."

Glenn -----OTR/L, MOT, Tx
     
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Apr 13, 2014, 09:02 AM
 
He's not duplicating the track.

And he's changing the input to a buss. This should result in the buss send being recorded onto the new audio track, which it isn't.

No, this is actually something going differently than expected, and I've been able to reproduce it on my studio system. It is by (mis)design.

It can be worked around, but not fixed (by us).
     
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Apr 13, 2014, 03:09 PM
 
OK, that makes sense in terms of what's being attempted. But not (obviously) what's not working...

Glenn -----OTR/L, MOT, Tx
     
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Apr 15, 2014, 05:51 PM
 
I regularly do what you're doing - route the output of a track to a bus and set the input of another track to that bus. I mostly do it to the output of a software instrument to an audio track. Recording on both tracks simultaneously won't work but you can record the first track and then play it back while the second track records.

However, if you put an I/O plugin on the first track, you can send the first track's output to the second track and record them simultaneously. This technique will only work on mono tracks unless you have an audio interface connected with multiple outputs. Then you can do it with stereo tracks also.
     
subego  (op)
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Apr 16, 2014, 12:41 AM
 
I shall try that! Thank you!
     
subego  (op)
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Apr 16, 2014, 06:49 PM
 
This is a stumper I solved, but I was wondering if someone can explain the reasoning.

You have an audio track with the vocalist singing the melody. The singer intends to harmonize with themselves. You have another audio track prepped for them to record the first harmony part. The mic inputs into this track. It's record enabled.

Vocalist wants to have playback a few times while hearing the mic input so they can figure out the harmony part.

The way you accomplish this is to disable recording on the audio track with the mic input. Then you can hear the mic input during playback. If the track is record enabled, the input cuts out as soon as you hit play.

Is there a reason for this? Wasted a half-hour trying to figure it out.
( Last edited by subego; Apr 16, 2014 at 07:35 PM. )
     
subego  (op)
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Apr 17, 2014, 02:57 AM
 
The above may just be Logic being pissy. Getting this to work today involved voodoo of clicking record enable, monitoring, along with quits and restarts to get things working properly.

Every single time I'd change things around.
     
subego  (op)
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Apr 24, 2014, 09:53 PM
 
Back to pissy.

It was absolutely impossible for me to set up hearing yourself during playback.

If nothing is playing, your mics are live.

If you hit play, the mics go dead.

The only way to get both at once is to do a recording.


This is making it a real bitch for people to set their headphone mix. You need to hear yourself, and what's playing.


Is the only way to consistently make this work is do a scratch recording?
     
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Apr 25, 2014, 03:59 AM
 
Doesn't your interface support hardware monitoring?
     
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Apr 25, 2014, 07:52 AM
 
I would think there would be, as Spheric Harlot says, a "monitor" output available via the hardware.

Anything in the way of help from LogicX?

Glenn -----OTR/L, MOT, Tx
     
subego  (op)
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Apr 25, 2014, 05:57 PM
 
Ahhh... okay, that makes sense now.

IIUC, that's the default setting for the Apogee. It's overridden by the software monitoring function in Logic.

That would have worked two days ago, but would have not worked on the vocal recording, where we were using the space designer.


The reason this was confusing is I haven't even come close to hitting latency problems yet, even with a relatively high buffer size. It's protecting me from a problem I don't have yet.

Not that I mind not running into latency issues so far.


Edit: I meant low buffer size.
( Last edited by subego; Apr 26, 2014 at 01:49 PM. )
     
subego  (op)
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Apr 25, 2014, 06:03 PM
 
Also... thank you both!
     
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Apr 25, 2014, 06:20 PM
 
Software Input monitoring in Logic isn't working?
     
subego  (op)
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Apr 25, 2014, 06:55 PM
 
Not during playback. Only during recording, or if playback has stopped.

Once I hit play, all the inputs cut out.
     
subego  (op)
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Apr 26, 2014, 11:13 PM
 
Here's one I think even Spheric will have trouble solving.

I was importing a project today and Logic replaced an audio file.

With a file from an entirely different project.

The producer said "I didn't know you could do that".

My response "me neither... especially considering I didn't do it".


Solution was to go into the project I was trying to import, exported just the problem track as an AIFF, and then imported that track.

W.T.F?
     
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Apr 28, 2014, 07:49 AM
 
That's one to tell the developer about. Along with your "W.T.F?" punctuation! Holy cow, that's like breaking the concept of a "project" entirely, isn't it?

Glenn -----OTR/L, MOT, Tx
     
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Apr 28, 2014, 03:33 PM
 
At some point it started placing the right audio files, but then... it's hard to say what it did... my best guess is it's taking a polyphonic instrument patch, and only playing one of the tones. I had to go back into the original project (where the patch played properly) and make an AIFF file of it to import back into the main project.
     
   
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