Adjusting Midi Clock/All Midi for Input Latency

First of all - I want to say that I LOVE Logic 8. I feel like I am working really fast, and smoothly with the new interface.
I wanted to ask about adjusting external midi devices delay for input latency compensation.
I have been trying to line up Ultrabeat and TR-606 synced via MIDI clock and a Kenton DIN sync, and have been adjusting the MIDI clock delay and I can get VERY close. Usually -4ms is the magic number, but -5ms is too much, and puts the drum machine before the beat.
My question is, is there ANY way to make finer adjustments? How are other people dealing with syncing midi devices accurately without having to slice up audio after the fact?
I toyed aroung with record delay, and it did not seem to actually do anything.
I am running a Mac Pro Quad 2ghz with an Mbox 2 Pro. My buffer is set at 64 with I/O Safety Buffer on.

An I/O buffer size of 32 may be too low under certain conditions. You'll know if it's OK to leave at 32 if you run a session with lots of plugs and/or audio tracks and don't experience audio glitching.
On my system, and for the kind of work I do, I was able to get away with 32 until I decided to use GPO, and it simply won't function at 32. Needed to up the buffer to 64; my point is that sometimes a single type of plug will cause you to up your buffer size out of necessity.
But yeah, stick with the lowest size possible unless/until something forces you to increase it.
I think the amount of MIDI delay will depend on the specific interface you're using as well as the reaction time of specific pieces of gear you're using. But it's good to see that you've gotten a good result with your 32/-5 setting.

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Can Logic Pro X slave to an external midi clock, i.e. a Roland guitar synth?

I play with someone who has a Roland guitar synth with a midi clock on it. I can wirelessly sync Arturia Spark drum software but would really like to be able to sync logic. The Roland will not sync to an external device, so I need to get Logic to follow the midi clock on the Roland. Any help would be appreciated.

Unfortunately, there is no help, Logic will not sync to external MIDI clock.
MIDI TimeCode, yes. MIDI Clock.. no.
You might look at Reaper for the Mac, not sure if they've implemented MIDI Slave sync.
You understand the problem, MIDI is Low Res, when a MIDI/Audio sequencer tries to slave to MIDI Clock, the resolution is so low there are inconsistencies... MIDI is serial information and it's very easy for delays and loose sync... MIDI and Audio falls apart. When a MIDI Midi/Audio sequencer is the master it uses the audio clock which is usually at 44.1 or 48kHz samples per second (time related), compared to 24 PPG the base MIDI resolution which is tempo related.
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Filtering Midi from All to one specific channel

Hi!
I have a midi device that sends midi to all midi channels without any possibility to change this setting on the device, and there is no software or driver to it either. I want to make the midi end up in one specific channel only.
I'm running a system with three different USB-midi devices so a global setting wouldn't work. Logic recognizes all devices separately, so there should be some way to transform all midi-messeges from just this device to one channel, but my question is: how do i do that?
Logic X (10.0.4)
Mac OSX 10.8.5
Thanks!
/Joel

This is a bit embarrassing, but i just found that my device does not at all send to all midi channels, but just to nr 10. So I guess i don't really have a problem anymore... The questing remains unaswered, how ever.
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Greetings

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Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
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Logic Master, AU-Lab Slave: Receive midi clock from Logic?

Dear board members,
I've managed to establish a very stable way to run PPC Plugins on Intel Macs by using Apple's AU-Lab launched in Rosetta mode (via its info panel) and activating Apple's NetSend + Receive Plugins. After creating an external midi instrument in Logic's environment I'm able to play any PPC Plugins with AUlab as their respective host.
This situation given to you as an inspiration, I would very welcome your thoughts on this two core questions:
1.) How could on make AULab receive the correct midi timing clock from Logic? This is important if you have timing dependent PPC Plugins, i.e. Wizoo's Latigo.
2.) What would be an appropriate way to compensate Latencies occuring inside Logic? I know its possible to record the incoming audio and set the audiofile then manually to the correct timing by draging but wouldn't it be fantastic to hear it in realtime (by negative sample delaying)
Thanks for your input in advance!
All the best,
- Vic

I spent a bit experimenting with this too.. A bit cumbersome, but it works... I have a Mac Pro 8 core, and a G5 powermac (PPC).. I was trying to use 3rd party plugins synths on Powermac, to record into Mac Pro... The delay made it impossible to really play along with it.. There was some kind of latency comensator on the AU or MIDI receive (I forget which) but I couldn't get that to really work well.
I ended up, recording the midi performance on the Mac Pro, using a dummy instrument, then I fed the midi to the Powermac and bounced it's audio back to Mac Pro...
ANSWER TO QUESTION 2 - I didn't try it, but if you were just going to use your PPC mac to process audio, you could assign EVERY track (except the one going to PPC) to a logic sample delay, and then delay that.. Send the track to the PPC, (in real time) process that and then back to MacPro... It can work,
ANSWER TO QUESTION 1 - I didn't see an obvious solution to sending the midi timing clock... and you really do need to have it.. Logic is capable (or used to be - haven't checked in years) of using something called IAC. You create it in the envirement - It's was similar to rewire...
Rewire also might be able to handle it - now that I think about it....
ANOTHER APPROACH - If you have a midi box you could take that midi out the LOGIC master.. (turn it on it settings) and patch it into the 2nd computer and have the application on the 2nd computer sync to that.. But if you were trying to merge a midi clock from one source and a midi keyboard from another... that's another problem to work out..

Transmitting MIDI clock from Mainstage - is it possible?

Hi I've just upgraded from Mainstage V.1 to V 2.1.1.
I have previously been unable to transmit MIDI clock from MS to external MIDI devices (specifically a DSI Tetra) in order to sync arpegiator, sequencer, LFOs etc.
I can't find any mention of it in the manual or on here. Has anyone been able to do this or is it not supported? If not I would suggest that this would be a very useful feature.
Steve

S' OK, I spent a good bit of time on it last night and cracked it.
You set up an external MIDI instrument channel strip, select it and, in edit mode, look at the channel strip inspector and click on the MIDI output tab where there is a checkbox to select "start sending MIDI clock" on patch change.
Works a treat and I soon had my Tetra's arpegiator running in time with the MS tempo and with some tempo synced delay. Coolest of all is that I have set a single note (bottom c sharp) as a tap tempo input so it's really easy to make subtle tempo adjustments on the fly. We never had this kind of stuff back in the 80's! May get to try it for real at band rehearsal on Friday.
Yes Logic could do this with ease too.
Hope someone else finds this info useful.
Steve

MIDI clock help

Hello forum
I recently got an AKAI midi controller that works great, except for the fact that garageband can't do midi clocking, which is a pain because I want to use a note reapeat function. So, I found an archived post about Midio, a piece of freeware that adds midi clocks into GB. I installed it, and it has no affect. Does it work with GB '11 or just 08? If it does work with Garageband '11 could I have some tips on setting it up?
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Hi,
I'm in exactly the same boat my friend!
I'm desparately tring to get Logic 8 to sync MTC with Digital Performer.
As you said, I could do this with my hands tied behind my back with Logic Express 7, but this just new version just doesn't want to play ball.
I've adjusted the SMPT (MTC) offset. Nothing.
It sees the MTC straight away and tries to sync with it, the top of the arrange window goes blue, everything you'd expect when in sync mode. But all it does is flicker on bar 8.1.1.1. And there is no cursor.
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Running out of ideas, but I'm gonna keep trying.
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Please bring back Midi Clock Start

Hi,
please integrate Midi Clock Start Signal anywhere inside of the arrangment. It is very bad that it is only available at the beginning of a song.
Imagine that i want to record with external gear anywhere in my arrangment a sequence i have to record from the beginning of the song until the "part" is coming where i want to record my sequence .. just because ..the Midi Start Signal is only available at the beginning of the song. My external gear wont start if i press play in the mid of the song.
All competitors do have the Midi Start Signal available anywhere in the arrangment ...
Thanks ...

FYI,
Song Position Pointer is still an available option, at least in 9.1.3.
It's under Preferences/MIDI/Sync
"Allow To Send Song Position Pointer While Playing"
Chorleyman; I agree, a program can get more interesting as it develops however, I do not trust Apple and Logic at this point. The problem being, Logic needs to have a considerable amount of Legacy support and it's causing support problems. The difference between a small company supporting a product and a corporation like Apple is the small company listens and develops for it's customers, Apple expects it's customers to follow them, regardless. While this my work for non-professional application that users seem to be willing to pay to beta test, it doesn't fly with ProApps... at least in my opinion. If becomes less inclusive it will move into hobby application status, which is not necessarily a bad thing.. I'm sure the "new" version will contain some outstanding features but I don't think it will be the Logic we know.

Trying to understand how MIDI Clock works in Logic

Hi,
I'm syncing a Roland MC-909 Groove Box with Logic. I'm also using a MOTU MIDI Express interface. The MC-909 syncs to Logic, thus it is in Slave mode. Under Preferences->Sync->MIDI Sync Project Settings, I've discovered something odd, and I'm trying to understand it. It could be just a lack of understanding regarding the MIDI Spec.
Under MIDI Clock, I necessarily need to set the destination to the MC-909. I cannot use 'All' or else the MIDI Express starts playing back at 8x the tempo set in Logic. Not sure why this happens but its probably something weird with the MOTO interface. Anyway in Logic, MIDI Time Code (MTC) is disabled, Song Position Pointer (SPP) is disabled, and MMC is disabled.
So basically I'm only sending MIDI Clock to the MC-909. Here's what is wierd: As I locate to different places in the Arrange window (not in play mode), the MC-909 is locating to the correct time offset within the pattern! This basically guarantees that you can start the Logic song anywhere, and the MC-909 will start playing back the pattern at the right time. I don't understand how this can be happening given that I've disabled SPP in Logic. The only sync communication between Logic and the MC-909 is MIDI Clock, but I don't believe that MIDI Clock is even capable of transmitting offset information that specifies the time-offset into a drum machine pattern, Does it? Or is Logic sending SPP info as I click on different locations in the Arrange window?
Another point, is that if I select to transmit MIDI Clock to another device other than the MC-909, but still using the MOTU MIDI Express, then the MC-909 plays back synchronously (i.e. its getting MIDI Clock from Logic, even though Logic isn't sending MIDI Clock to the MIDI port connected to the MC-909), but it does not track the pattern offset described in the previous paragraph. The only way I can get the pattern offset to work, is if I select the MIDI Clock to be sent to the MIDI port connected to the MC-909.
I would like to figure this out because I'm thiinking about buying an external MIDI synchronizer, but I don't want to lose the ability to have logic specify the offset into the pattern on the MC-909
Thanks,

Hi,
I'm syncing a Roland MC-909 Groove Box with Logic. I'm also using a MOTU MIDI Express interface. The MC-909 syncs to Logic, thus it is in Slave mode. Under Preferences->Sync->MIDI Sync Project Settings, I've discovered something odd, and I'm trying to understand it. It could be just a lack of understanding regarding the MIDI Spec.
Under MIDI Clock, I necessarily need to set the destination to the MC-909. I cannot use 'All' or else the MIDI Express starts playing back at 8x the tempo set in Logic. Not sure why this happens but its probably something weird with the MOTO interface. Anyway in Logic, MIDI Time Code (MTC) is disabled, Song Position Pointer (SPP) is disabled, and MMC is disabled.
So basically I'm only sending MIDI Clock to the MC-909. Here's what is wierd: As I locate to different places in the Arrange window (not in play mode), the MC-909 is locating to the correct time offset within the pattern! This basically guarantees that you can start the Logic song anywhere, and the MC-909 will start playing back the pattern at the right time. I don't understand how this can be happening given that I've disabled SPP in Logic. The only sync communication between Logic and the MC-909 is MIDI Clock, but I don't believe that MIDI Clock is even capable of transmitting offset information that specifies the time-offset into a drum machine pattern, Does it? Or is Logic sending SPP info as I click on different locations in the Arrange window?
Another point, is that if I select to transmit MIDI Clock to another device other than the MC-909, but still using the MOTU MIDI Express, then the MC-909 plays back synchronously (i.e. its getting MIDI Clock from Logic, even though Logic isn't sending MIDI Clock to the MIDI port connected to the MC-909), but it does not track the pattern offset described in the previous paragraph. The only way I can get the pattern offset to work, is if I select the MIDI Clock to be sent to the MIDI port connected to the MC-909.
I would like to figure this out because I'm thiinking about buying an external MIDI synchronizer, but I don't want to lose the ability to have logic specify the offset into the pattern on the MC-909
Thanks,

No midi clock out on AMT8 ports 4-8

Hi, Logic 9, with daisy chained Emagic Unitor8's and AMT
Unitory8->Unitor8->Amt8
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Joel,
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When we record as audio from the V-Drums (using an audio interface) everything seems to work fine - but (of course) we can't change the sounds etc as it isn't midi (and we want to use midi).
When we record as midi from the V-Drums (using a midi to USB cable) there are two major problems. Firstly, the hi-hat doesn't pick up at all - despite the fact it works when it's used as audio. When the hi-hat is hit, it doesn’t trigger any midi at all. The second is that the drums occasionally trigger a double hit. This issue I can get over (though it is annoying and it shouldn't happen) as I can manually delete any extra hits.
I wouldn't expect two expensive pieces of kit (Apple Mac and Roland V Drums) not to work perfectly on something so simple. Please can you advise me of how to resolve this?
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MIDI CLOCK stopped working and I can't figur this one out.

I have been sending MIDI clock to my Native Instruments Guitar Rig so I can sync the Loop Machine with Logic, everything was working pretty good till...??? I am not sure what I could have done to goof it up but now I get no MIDI signal out the port ( I set it to all MIDI ports). I tested the cables with a LED tester and all the settings I set to get it working in the first place but now Logic seems to not be sending the clock any longer. I also sync a Micron keyboard and use its arpegiator... well I was till this happened. Anyone have any ideas?
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Hi,
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How can i send MIDI clock out of logic 9 to hardware synths ?

Hello !
I would like to send out midi clock from Logic 9 to my hardware synth.
Are my MIDI setting set up right ? I have attched some images below.
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Create a few "External MIDI Tracks"
Was exactly was what I was looking for - thanks, Pancenter!
I didn't realize that this was available. I was attempting to make pre-existing MIDI tracks into External MIDI Tracks; when it has to be initialized from the setup.
I've been able to get my keyboard to be played using your suggestion.
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Adjusting Midi Clock/All Midi for Input Latency

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