Delay compensation in logic?

In logic 8 or 9, is there any option for delay compensation? Or we don't need to do anything or open any delay compensation and logic is automatic turned on for delay compensation?
Thanks!

Control of PDC is in audio preferences under the "general" tab.

Similar Messages

Delay Compensation stuff in Logic 7.11

Hi,
As much as I love and need Logic, this one makes me sick.
If there's DC enabled, you obviously can't do any Midi/VI-Recordings and you can't do audio recordings which should play back as you recorded them.
How can, I almost wrote emagic, Apple release something like this and leave it in this state since 7.1? This is not acceptable for a pro app, I can't wrap around my way of doing things and first record all stuff and then turn on DC and mix ...
Even worse, always go to the preference pane or listen if I hear some flams, to know if I'm allowed to record or not (by checking DC status).
Logic needs, like Nuendo, a setting where all 'delaying' plugs are disabled when a track is in record mode for realtime playing. Nuendo also records in sync even when DC is turned on, this one is really not funny. At least, give as a DC-safe bus (like solo-safe) you can record through, or something ...
Sorry for the rant, bad first post, for sure.
All in all, I really love this stupid program!!
cheers,
bernd

The lack of Automatic Delay Compensation in Logic 7 forced me to switch to Protools. There, ADC is brilliant. The days of phase problems are gone and when u hit record in protools it automatically disables ADC unless one sets the prefs to not disable. ADC in Logic is a disaster. The ADC works on some channels with certain audio hardware (not all) and doing all the work arounds every tiime is killing ones workflow. I miss logic at times but I cannot go back to using it till at least the ADC is implemented specially when working with 96 SRates. Also - but this only regards protools hardware users: ADC dont work with protools Hardware in logic 7 - ADC is totally disregarded using the DAE even though apple states that they support DAE - the do support the DAE but only like 20% of the total DAE capabilities.....this IMO is outrageous and this funny business policy cant stand tooo long!!! I am not the only one who switched and I wont be the last....
anyway, the only way to record in logic and "bypass" ADC - is to disable adc and only use plugs that dont produce any delays in the signal flow - it's a hard pill to swollow but hey - it's the only way:-))
Peace

Logic 8 with TDM Hardware, Delay Compensation?

Hi all,
Okay I have a session which has come in on Logic. I'm thinking of finishing it off in Logic rather than transferring it to tools. So have Apple finally added Delay Compensation on the TDM side or are we still back in the dark ages of shifting regions/inserting duplicate plugins etc... ? I haven't used the Logic/TDM combo for a while so if anyone out there has some tips that would be much appreciated.
cheers
M.

Sadly no plugin delay compensation on TDM side. Otherwise Logic TDM working fine (with all the latest versions).

7.2 delay compensation

Have 7.2 delay compensation in TDM?

it passes delay to Midi clock and MTC -to midi regions : NO!!! But u can just enter a delay manually - like in logic only more precise....
however if u monitor midi internally in protools it utilizes ADC

Delay compensation breaks when sidechaining to a multi-out instrument Aux.

This problem is reproducible on any system and all versions of Logic 8 or 9.
It's a common practice to insert a Logic compressor on a bass track and set the sidechain to a kick drum sent to a bus. So if your drums are coming from a multi-output virtual instrument and the source for the sidechain is NOT the main outs, then automatic delay compensation breaks. Unfortunately, this means you can't sidechain to any additional outputs. Your kick has to be on the main instrument channel outputs, sent to a bus, which the sidechain points to. Otherwise, no go.
Delay compensation is not correctly implemented on Effect plugins loaded as instruments either. Roger Nichols' SPL-izer relies on the same architecture as the above scenario in that its main output is generally muted and its three other stereo outputs are sent to Aux channels (three frequency bands). If any of those are set as objects for sidechaining, the same thing happens as with the kick/bass situation.
The bottom line is that I really hope this is fixed in the next update to Logic. It's been a long wait. There are many situations in which I need more than one sidechain to more than one drum output. Currently that requires a new instance of a drum source.

Alien Implant wrote:
I'd be interested in what you experience if you try my scenario as I described >it, with the Logic compressor on a bass track with the sidechain pointing at a >bus with an Aux channel (any output other than the instrument mains) of Ultrabeat >loaded as a multi-instrument (12 or 16 outputs or whatever max it allows).
Well, I created the same conditions with UB using three drum pads - Kick, ClosedHH and OpenHH routing them as Auxes from the multichannel UB instance.
The Kick Aux is routed thru Bus 1 feeding the sidechaing of the Bass (ES1) Compressor, while the Closed HH feeds the sidechain of the (ES2) Noise Gate chopping the ES2 strings patch.
I exported a short non-voice over video just to show you that there are no timing side-chain issues ( this is most audible with the Nose Gate strings chopping ). Have a look at the video below.
*Sidechain Timing test* - [QUICK VIDEO|http://audiogrocery.com/video/sidechain_test.zip]
!http://img59.imageshack.us/img59/4967/aglogo45.gif!

Plugin Delay compensation not working correctly?

Hey guys,
I've noticed lately that the plugin delay compensation doesn't seem to be working like it should. I'm not sure if I'm going mad or not...
When I'm using Drumagog (drum replacement plugin), Logic is very good at dealing with the latency, even when increase the accuracy (therefore usually adding more latency). However, it doesn't seem to be doing that properly and I'm not sure why.
All my settings appear to be correct in the audio section and have checked the box to correct the latency in plugins and software instruments. My Mac is pretty snappy and can handle a lot, so the audio buffer is generally set very low at this point without adding any clicks and pops etc.
Any ideas?

James,
I think you're onto something there.
I have noticed too that the Logic 9 misbehaves from time to time when it comes to delay compensation. From my experience it happens when you create an average to large mixing project with a number of plugins on channels (possibly with settings dependent latencies).
What I have found is:
1. In some cases it over-compensates - that is the channel in question suddenly played ahead of the time even though visually it was aligned with the others (but in some other cases under-compensates).
2. I have noticed that saving the channel strip settings, resetting the channel strip and reloading the same setting rectifies the delay over-compensation. To me it appears that the "delay compensation" system does not recheck/recalculate the plugins current delays after any change is made in channel/plug-in (or even adding plugins, or does it only partially) - I do suspect that it gets screwed up when the plugin changes its latency based on its settings but Logic fails to recalculate.
As a fallback it would be extremely useful if there was an option in "Audio" sub-menu (for instance) to force Logic to re-assess (recalculate) the plugin delays (across the board) according to plugins current settings but it would be better if it detected correctly any change and recalculated it so we could rely on its correctness/integrity.
3. With such larger projects the sound comes out noticeably later than the play-head's position is which makes it very hard to locate precisely positions in your track.
These problems did not seem evident in Logic 8, but have to admit I haven't run as large projects in Logic 8 as I'm doing now in Logic 9 (80-100 tracks with 2-6 plugins in some channels).
Apple, please, fix these latency compensation discrepancies/issues as it can really byte back when the customer gets back to you saying that this or that track seems to be out of sync (subtly but it is). It is unworkable to having to verify the raw recordings if the delays are in the recordings or introduced by Logic.
Hope this info helps.
Regards
Gabe

Plugin Delay Compensation, reverb busses & film scoring?

Hello,
When I score a film, the first thing I do is make sure the window burn time code in the film & Logic's time code are in sync for the cue I'm about to write in Logics sync settings. Once set, everything lines up perfectly when jumping around with the SPL. HOWEVER, as soon as I push play in the sequence, the movie will jump back a split second and then play, making the window burn and logics time code out of sync.
I discovered the reason this happens is plugin delay compensation for the reverbs I have on busses (I use UAD Dream Verbs on busses to save on CPU when composing to film). When I turn off plugin delay compensation, the movie plays back perfectly in sync (no jumping back), however now all the parts that are busses to the reverbs are playing back late!
So I'm in a conundrum. I cant turn off PDC because I use reverbs on busses, yet I cant keep it on because I cant sync to the film. I've heard from others to use movie playback from another system, but I personally don't see how this will help, because the movie will still be syncing to Logic's time code, which will tell it to start early on playback for plugin delay compensation, right?
I dont mind the jumping back for PDC, the main problem is syncing to time code/hit points. If my SPL when play is stopped is not using plugin delay compensation, there is no way to place a marker or hit point, because whatever I see when play is stopped will be wrong on playback when PDC kicks in! I would think the only solution is logic needs to constantly use Plugin Delay compensation, even when nothing is playing back!
Is this a problem with Logic 7 only or does it exist in 8 too? How do other sequencers use PDC? Its weird that I dont hear more people having problems with this, as right now its a guessing game scoring a film and hoping my hit points/TC will sync up!
Thanks in advance for your help! Its greatly appreciated!
Logic 7.2.3 OS 10.4 Dual 2.5 PPC G5

Jonathan Timpe wrote:
Perhaps I should just start using space designer? Does it suffer from the same PDC problems?
I personally haven't noticed any PDC issues with Space Designer, but if you do, you could always just use platinum verb to get a little wetness to the signal.
Perhaps I need to develop more "reverb imagination" skills and none of this would be a problem.
This may be a dangerous suggestion, but assuming you have a decent knowledge of the sound of a real orchestra, I would tend to compose with that in mind rather than exactly what your sample library sounds like. The goal, after you've done the bulk of the composing, is to try to get your library to sound as much like the real thing as you can. Remember, it wasn't all that long ago that film scores we composed with no MIDI at all, no immediate feedback on the sound of a motive, harmony etc. Obviously, if the end product is going to be in VIs instead of live instruments, you need to keep the sound of your library in mind. But ideally, you don't rely on hearing every little thing exactly as it will be on the track in order to compose. I know that's harder than it sounds, and I too am guilty of relying a bit too much on immediate feedback, but I think it's worth while. So rather than "reverb imagination," I'd suggest developing a better "instrument imagination," and let reverb be more of a finishing touch (albeit a very necessary one).
How do you deal with syncing back to the film? Sync pop & written time code sheet for when the pop occurs (without PDC of course)?
My methods for syncing back to film are much more basic than that. Firstly, I'd say most of the time I'm just sending audio tracks to the director with the SMPTE for the beginning of each track. If I am actually responsible for putting them together, I've just done it in iMovie, again, lining up each track with the SMPTE code for the film.
I should point out that I'm not exactly a pro at this (though I'm trying to get there), so someone else could probably offer better solutions.

Does AA CS 5.5 have delay compensation?

Does AA CS 5.5 have delay compensation, or will there be issues regarding latency?
Thanks,
Steve

It's entirely automatic, and you wouldn't really want it any other way, as it involves a careful measurement and adjustment. Normally I moan about automatic features, but this is one very definite exception. As such, it doesn't need explaining - all it's doing is to make the round trip through an effect transparent for timing purposes.

External Midi and Delay compensation

is there a delay compensation for the external midi devices now???

This is a long standing issue. Although Apple has given us a bass amp and a couple of thousand apple loops, they have not fixed this basic and crippling issue.
I have written to Apple about it, I have talked about it with their tech support for years... In my opinion, not addressing such issues as sync between MIDI and audio leads me to question Apple's commitment to pro users. It is a real shame

Plugin Delay Compensation, Stylus RMX & the UAD-1

Forgive me if this was answered previously, but I didn't really find anything when I searched the forum...
Anyways, Stylus is all in sync when it plays, but if I add a UAD-1 plugin to it it gets delayed and doesn't sync up anymore. I have the pda setting set to all and I tried 256 and 128 as my buffer. anyone have any ideas?

Use the delay compensation plugin on the UAD. AFAIR UAD doesn't handle latency compensation in the traditional means. (Report to host from Plugin)

Logic 7.01: UAD-1, delay compensation

First question is this. If I would be using anything besides 7.01 that would fix all my problems regarding plugin delay...right?
Second question if I remain with 7.01 and when using UAD-1 card, If I use 2 UAD plugs on track 1 do I need to apply a UAD-1 sample delay plugin set to two samples for every other track in my song that does not have a UAD plug?
While I am at, does the PDC in 7.01 only work for tracks and not busses?
I know this is the approach for Pro Tools LE, didn't know if it was the same for Logic 7.01
Thanks

Hi
Full implacation of PDC is not a Logic feature ! what we have is an antiquated version of PDC, we have had a fix to PDC in 7.1 ( as an after thought to a much requested feature ) the next Logic paid for upgraded is expected to included the full program re-write that is neaded for Full PDC, but in Apples defence Logic 7.1 does go someway to fixing the the problems you are incurring with UAD, at the moment Logic is playing catch up but I'm sure it will roll some eye's with the next release ( maybe we'll get some of Studiovision pro's fully working features )
TTFN
Subcoustic
G5 2Ghz DP 4 Gig Ram Mac OS X (10.4.3) Magma 4x Uad's Powercore Pci & Firewire, Mackie Onyx 1640 firewire
G5 2Ghz DP 4 Gig Ram Mac OS X (10.4.8) Motu2408III & 24io Magma 4x Uad's Powercore Pci & Firewire, Mackie Onyx 1640 firewire
G5 2Ghz DP 4 Gig Ram Mac OS X (10.4.3) Motu 2408III & 24i0 GenX96 Magma 4x Uad's Powercore Pci & Firewire, Mackie Onyx 1640 firewire

EMAGIC VS Apple - Plug In Delay Compensation

Right,
How could it possibly be that i experience more latencty in the new APPLE Logic Pro 7, with excatly the same plugins and sessions loaded from a saved and released EMAGIC Logic 6 mix that i did which WAS fine !
Surley it should have gotten better ! Do i need to upgrade my G4 now aswell to catch up with the program ! I see that this is an overall problem with other people running quicker G5's, and yet they still have to compensate with various delay methodologys.
What is going on ? Any suggestions you may have are appriciated....
G4 Quicksilver Dual 1 Gig, 1.75 RAM, Logic 7.1.1, 64mb graphic card - Gotta change IT! Mac OS X (10.4.7)

The only gotcha with PDC, is that if you have some
hefty delay-inducing plugins that Logic has to
compensate for by shifting some audio paths
backwards, when you record, you are monitoring the
audio later than it is, and hence your recordings may
well be early/late (depending on what you're doing).
OK. So as I understand it it's a catch-22... if prior to tracking new parts you find that some existing parts are sounding late due to various plugs' inherent latency, you turn on PDC (perhaps set to ALL). But then when you're tracking against those parts, your new parts will sound out-of-time upon playback (and how the heck would you ever punch-in in time while tracking?). So it seems that for tracking you must have PDC off.
But then, those parts that originally sounded late still sound late. So do you turn PDC back on? Hence, catch-22...
Ouch.
(mind you, that's a general "ouch" and not a Logic-bashing "ouch", cuz I have the feeling that this situation is not exclusive to Logic).
I'm sure there was an explanation to all of this in
the manual somewhere, I'll go a see if I can find
it...
Cool, thanks, that would be great.

Determining a delay time in Logic 8

I'm fairly new to Logic and I need to determine the delay time (in samples and milliseconds) between two spikes recorded to two tracks in LP8 (A/D convertor differential delay).
How can I do this? I can't seem to find a fine enough resolution in the Bar Ruler to be able to do this like I can in Pro Tools.
Would really appreciate some help on this one.
...JB3
Message was edited by: J A Bohrer

Bounce to stereo L-R, open in sample editor, select area between spikes.

Delay compensation

Hi there,
Just replaced my Logic 7 with Logic 8 and have encountered something I haven't had in a long time. A slight delay from my mic as I record something down. I remember in version 7 that I fixed it with a setting but not sure where to find this to fix it in version 8. Can anyone help? Thanks.
Tim

Logic Pro>Preferences>Audio>Devices>Core Audio. There you can set the I/O buffer size. Find the lowest setting that doesn't overload. 64, 128 or 256 should do. When mixing, it may be wise to up the buffer. Just don't use the *I/O safety buffer*, that seems to kill performance (except on bottom spec G4 and perhaps G5 machines - there it may actually help. It does on my machine).
Latencies at 48kHz:
32 samples: 667 µs
64 : ±1 ms
128: ±3 ms
256: ±5 ms (noticable)
512: ±11 ms (noticable and sometimes annoying/offputting))
1024: 23 ms (noticable and annoying/offputting)

Delay Settings from Logic 8 to 9

Hello,
Since I transferred from Logic 8 to 9, I've found that my tape delay settings on anything I recorded in Logic 8 are twice as long in Logic 9.
So, for example, if I used a 1/4 note delay in Logic 8, it comes up at 1/2 note in Logic 9.
Has anyone else had this problem and is there any way to solve it?
Ben

I had reported an issue in Logic 8 to Apple in which the 1/8. and 1/8T timings were switched in the Echo Delay. I haven't checked LS9 to see if that's been corrected. But if you can reproduce your problem in Tape Delay, then by all means, open an issue with Apple.

Delay compensation in logic?

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