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#21
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Re: Latency issues with Mac mini
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What sample rate are you running at... you need to work out what the expected IO buffer latency is. Do you think you hear approximately that latency? Again if unsure measure it (see ** below). You performer will be much more sensitive to latency if you are also hearing a hardware monitoring path. Are you sure you have all UAD console/hardware monitoring disabled. The initial doubling you reported went away right? when you got rid of monitoring though both the Console and Pro Tools? You performer may be more sensitive to latency if you are letting them hear a lot of live bleed e.g. through open back headphones. I'm not sure what you are tying to record/how (e.g. vocals? guitar cab? guitar DI, etc.). Edit: the performer is you? Doing "vox"? What do you mean by that? Radio style advert voice over? Movie voice over? (where you might have more/other latency issues)? If you *really* need to software monitor and have latency sensitive performers, many people will be aiming at a 64 sample or less IO buffer. Why can't you run at a lower IO buffer? (at that low IO buffer you will not be able to instantiate UAD plugins within Pro Tools... fully expected and you should have frozen/committed those tracks). If you need to go this way: what errors are you getting if you try that and what have you done to troubleshoot them? (freeze all the tracks you can, check optimization, do usual troubleshooting). You have a UAD interface with all it's lovely console monitoring capabilities, I'm not following why you just don't use that if monitoring latency is an issue, just go buy any needed plugins (and does the performer thing those are *really* needed while tracking?). And stuff that IO buffer up to 1024 or so. I expect the time spent on this so far will have paid for any UAD plugins needed. And again take your time to read up on the latency of the UAD plugins you might use, you cannot just assume they are all low latency. ** I'm not exactly sure what you are confused about, I have suggested before trying to simultaneously record the latency you are hearing and the live input so you can measure the actual latency of your system. You can do this in so many ways. If you are confused about Pro tools, forget it. Just grab a handheld digital recorder or mic going into Audacity or Garage band or whatever... just use the build in Mic on your Mac if it has one. And separately just record those signal. Put the mic on the desk next to the monitoring headphones and clap. Measure the time delay of the live clap and the monitoring clap fr the headphones. You can do this in Pro Tools as well recording to another audio track (mute so you don't get feedback), and in that case you likely have to factor out 1024 (or 2048 depending on sample rate) sample latency in the on-screen measurement caused by the large playback buffer that Pro Tools uses. ... that's not real latency you are hearing. The key to solving these problems is to first stop suspecting there is anything wrong, there never is. Everything will be working as designed. Keep focused on trying to understand what is happening. And especially if you don't have a really solid foundation in the UAD console and separately in how Pro Tools Software monitoring works, then to just spend time playing around with the most simple use cases (e.g. a session with one mono audio track recording one microphone recording you clapping, maybe clapping to a click track) and confirm that you can get what monitoring latency you expect (measuring that latency if that will help you). Last edited by Darryl Ramm; 01-16-2020 at 03:36 PM. |
#22
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Re: Latency issues with Mac mini
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First thing you need to do is make sure "input delay compensation" in console itself, is OFF. This will lower the latency of the driver through Pro Tools. Look, in reality, UAD is just not designed to work this way.. Even with that setting off, which dramatically decreases input latency, it will probably still be too high latency to monitor with natively through PT. You bought the wrong interface to do that with. Try what I said, and 32 buffer in PT. It might be OK.
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#23
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Re: Latency issues with Mac mini
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I'm at work so just breezing over your reply. I'll digest this all when I get back home to my studio and get back to you. |
#24
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Re: Latency issues with Mac mini
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#25
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Re: Latency issues with Mac mini
I was dealing with this with my Mac Mini and PT 12 the other day. I have MOTU hardware but it uses Cue Mix for low-latency monitoring. I found if I enabled low-latency monitoring in Pro Tools and kept my record track in auto-input (Input monitoring disabled,) I could hear the input signal through Cue Mix without any latency and no echo from Pro Tools. This also allowed me to hear the track on playback for punch ins. I put any talent-only FX (such as reverb) in the Cue Mix application and have no plug-ins on the PT record track. Enabling quick punch allowed for instant punch-ins/outs. I suspect the UA console may work the same way.
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#26
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Re: Latency issues with Mac mini
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Karol |
#27
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Re: Latency issues with Mac mini
See “Link record and play faders” in the Pro Tools Reference Guide.
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