A technical support community for Apple Logic Pro users.

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by RedBaron
Sun Mar 05, 2017 5:21 am
Forum: Logic Pro
Topic: LPX 10.3 input monitoring crackling caused by graphics Topic is solved
Replies: 17
Views: 2945

Re: LPX 10.3 input monitoring crackling caused by graphics Topic is solved

For the first time since switching to a mac, I'm considering moving back to a PC because of CPU spikes with a single MIDI track playing. BTW, I'm getting "scrolling bug" spikes in 10.2.4; haven't upgraded yet.
by RedBaron
Mon Oct 31, 2016 3:24 pm
Forum: Logic Pro
Topic: Logic recording and synchronizing out of sync
Replies: 11
Views: 1534

Re: Logic recording and synchronizing out of sync

"When I record a midi track its all offset"

I thought the OP was talking about the timing of MIDI recordings, not audio ?
by RedBaron
Tue Aug 16, 2016 10:28 am
Forum: Logic Pro
Topic: I/O ping mysteries
Replies: 15
Views: 2459

Re: I/O ping mysteries

Eric's pretty much said it all.

The Latency Offset is for output alignment using the PDC system.

The Recording Delay is for input/recording alignment.
by RedBaron
Fri Aug 12, 2016 6:02 pm
Forum: Logic Pro
Topic: I/O ping mysteries
Replies: 15
Views: 2459

Re: I/O ping mysteries

am I doing something wrong by just phase aligning after the fact? It's just a slower way to work, and potentially not sample accurate unless you have clearly defined transients to help you line things up (unless you're using a tool to align phase?). If you configure Logic correctly, recording laten...
by RedBaron
Fri Aug 12, 2016 5:47 pm
Forum: Logic Pro
Topic: I/O ping mysteries
Replies: 15
Views: 2459

Re: I/O ping mysteries

... what  if you want to strap a stereo compressor across the mix buss and you also instantiate  latency inducing plug ins in its chain? By 'chain', do you mean latency inducing plugins on the same output channel strip ('mix buss')?  Or do you mean latency inducing plugins on an Aux, before the  au...
by RedBaron
Fri Aug 12, 2016 2:49 pm
Forum: Logic Pro
Topic: I/O ping mysteries
Replies: 15
Views: 2459

Re: I/O ping mysteries

my RME Fireface UCX reports +1 too Do you get the same mismatch when running at double SR? I should have said +1 samples at 48k. As, for Double Speed (DS) and other samples rates, here's some Ping results for the USB driver that I did a couple of years ago; double checked with (more reliable) manua...
by RedBaron
Thu Aug 11, 2016 8:13 am
Forum: Logic Pro
Topic: I/O ping mysteries
Replies: 15
Views: 2459

Re: I/O ping mysteries

It means that your audio interface's driver is under-reporting it's latency by 1 sample. Ping for my RME Fireface UCX reports +1 too, confirmed by RME.  You then have to invert that number (i.e. convert +1 to -1) and manually enter -1 samples as your Recording Delay  in Preferences > Audio > Devices...
by RedBaron
Tue Aug 09, 2016 1:18 pm
Forum: Logic Pro
Topic: Workflow for using External Instrument plugin & recording ex
Replies: 8
Views: 911

Re: Workflow for using External Instrument plugin & recording ex

I don't think there's anything you're doing wrong. As Eric stated, record through a bus when software monitoring with or without the External Instrument plugin. Provided that the timing of your MIDI keyboard playing or pre-recorded MIDI region results in the synth's audio being output at the same ti...
by RedBaron
Mon Aug 08, 2016 5:29 pm
Forum: Logic Pro
Topic: Workflow for using External Instrument plugin & recording ex
Replies: 8
Views: 911

Re: Workflow for using External Instrument plugin & recording ex

Just to be sure, are you (software) monitoring through the External Instrument plugin?

Or are you just using it for MIDI and recording the synth's audio? IOW, you're direct/mixer monitoring??

Also, are there any latency inducing plugins on the External Instrument track itself?
by RedBaron
Mon Aug 08, 2016 4:10 pm
Forum: Logic Pro
Topic: Workflow for using External Instrument plugin & recording ex
Replies: 8
Views: 911

Re: Workflow for using External Instrument plugin & recording ex

Routing that channel to a bus, then choosing that bus as the input for an audio track. Hitting record. Getting slightly late audio. ... My recording delay in Logic is set to 0 . When you record through a bus, the Recording Delay is not used by Logic. In fact Logic doesn't do any Recording Latency C...
by RedBaron
Tue Aug 02, 2016 7:26 am
Forum: Logic Pro
Topic: External midi instrument latency with UAD plugins
Replies: 7
Views: 1070

Re: External midi instrument latency with UAD plugins

OK, thanks for the monitoring info. I can't stress how important the monitoring method is when talking about DAW latency. Before I reply again I need to run a couple of quick tests. Please can you tell me what your latency is, as reported by Logic in Preferences > Audio. I'll then set my buffer size...
by RedBaron
Sat Jul 30, 2016 12:42 pm
Forum: Logic Pro
Topic: Workflow question: printing multiple external processors
Replies: 6
Views: 270

Re: Workflow question: printing multiple external processors

Recording an I/O Plugin from an Audio or Instrument channel strip Simply route the Audio or Instrument channel strip to a bus via it's send, and use another audio track to record from that bus. You can have latency inducing plugins before and after the I/O plugin in you want, but if you want to...
by RedBaron
Fri Jul 22, 2016 10:26 am
Forum: Logic Pro
Topic: Logic 10.2.4 is out...
Replies: 85
Views: 14075

Re: Logic 10.2.4 is out...

All MIDI recordings will appear xx ms early on the timeline. So even though you hit a key exactly on the metronome click, it will be a little "to the left". Don't know if the problem is with the built-in click metronome or where the issue lies. Does it happen when you're recording MIDI fo...
by RedBaron
Tue Jul 19, 2016 4:19 am
Forum: Logic Pro
Topic: External midi instrument latency with UAD plugins
Replies: 7
Views: 1070

Re: External midi instrument latency with UAD plugins

You're using external MIDI tracks, so does that mean you're direct monitoring the synth (using your audio interface), or monitoring the synth via an external mixer?

i.e. you're NOT monitoring the synth through Logic/plugins.
by RedBaron
Sun Jul 17, 2016 8:00 am
Forum: Logic Pro
Topic: External midi instrument latency with UAD plugins
Replies: 7
Views: 1070

Re: External midi instrument latency with UAD plugins

Bakmaind wrote:
In my project settings 'auto-compensate Plug-in latency' is flagged.


Are you talking about the setting in Project Settings > Synchronization > MIDI? I think that's just for MIDI clock, not for MIDI notes.

Also, are you using external MIDI tracks, or the External Instrument plugin?
by RedBaron
Fri Jul 15, 2016 4:39 pm
Forum: Logic Pro
Topic: Recorded audio region's placement is wrong
Replies: 2
Views: 713

Re: Recorded audio region's placement is wrong

What's your Recording Delay in audio prefs set to? If you haven't tested your Recording Delay, set it to zero. If you're monitoring through Logic/plugins, you need to record through a bus. If you record straight from an input (not through a bus) when software monitoring through Logic, your recording...
by RedBaron
Tue Jul 12, 2016 8:59 am
Forum: Logic Pro
Topic: External instrument auto-compensate latency
Replies: 4
Views: 863

Re: External instrument auto-compensate latency

Doesn't do what I hoped it would. I was hoping it would automatically send the MIDI early when software monitoring through the External Instrument plugin. The only way I can see this helping is that it'll mean you can use the roundtrip displayed by Logic as your negative track delay. So no having to...
by RedBaron
Tue Jul 12, 2016 7:04 am
Forum: Logic Pro
Topic: External instrument auto-compensate latency
Replies: 4
Views: 863

Re: External instrument auto-compensate latency

Is there an offset to go with it?

Otherwise you'll still need a bit of track delay for synths with a high average response time..

If this works, it'll fix so many setup headaches.
by RedBaron
Thu Jun 30, 2016 4:00 pm
Forum: Logic Pro
Topic: Plugin Latency
Replies: 5
Views: 609

Re: Plugin Latency

Oops, sorry I glossed over the 'aux track' bit.
by RedBaron
Thu Jun 30, 2016 4:44 am
Forum: Logic Pro
Topic: Plugin Latency
Replies: 5
Views: 609

Re: Plugin Latency

Yep, you're right.

Plugins with latency on audio and software instrument tracks only affect that track, not the rest of the project.

Plugins with latency on an aux or output do cause latency everywhere else though.
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