12/19/2023 0 Comments Logic pro xprocessApple have also added a handy Dim level setting here (see screen overleaf), which can reduce the master output to a preset level at the click of a mouse. It follows that latency will be decreased if you set it to Small, and this setting may be usable on very fast modern CPUs, so it pays to experiment if you're trying to achieve the lowest possible latency. However, you need to be aware that latency will increase in this case. Medium is the default, but it can be increased to Large to reduce the likelihood of overloads. The Process Buffer Range is used to allocate the buffer size for Logic's mixing engine. Of course, the mix won't sound quite right when Low Latency mode is switched on if you have inserted a lot of plug-ins on auxes, but it's a compromise I'm prepared to accept - and it's a damn sight easier than manually disabling plug-ins or nudging audio regions back into line. The new Dim level setting adds an icon to the Transport bar and the mixer Master channel, to let you reduce the master output to a preset level with the click of a mouse. You can add the Low Latency mode button (see screen below) to the Transport bar for easy access by right-clicking or Control-clicking on the Transport itself and ticking the relevant box. What this means in practice is that you can have Plug-in latency compensation set to 'All' when mixing, but if you decide to add a vocal line or extra guitar part, you can just switch Low Latency mode on, record your take, then turn it off again and be secure in the knowledge that your new recording will be in time with the rest of the song. Using the Low Latency mode, you can specify and limit the amount of acceptable latency and Logic will automatically disable any plug-ins that exceed this value. One of the problems you'll encounter when you have Plug-in delay compensation set to 'All' (which you need to have if you want to compensate for the latency induced by plug-ins inserted on auxes) is that if you try and record some extra audio, it will be out of time with the rest of the Song. However, it will also introduce greater latency - which somewhat defeats the point of the smaller buffer settings! I find it most useful when playing a virtual instrument live at very low I/O buffer settings and it's worth trying it out if you are having problems - although in my experience it can actually introduce more of the very clicks and pops you're trying to avoid, especially on lower–spec Macs.Ī more useful addition is the Low Latency mode, which can be found in the General section of the Audio preferences. When ticked, it attempts to prevent the crackling noises you can get at very low I/O buffer settings. The safety I/O buffer in the Devices section is a new addition to Logic. Increasing this buffer size for mixing will then release CPU cycles for your plug-ins. One old favourite that remains, the I/O buffer size, is usually set to the lowest value you can get away with while still avoiding overload messages or audio glitches when recording. You can easily add the Low Latency mode button (orange, bottom right) to the Transport, for instant access.The Audio preferences in Logic 8 have been quite radically changed compared to previous versions. But there are still a couple of areas related to Logic's performance, day-to-day running and maintenance that can cause a bit of confusion, so this month we bring you a handy guide to some of the most commonly asked questions. Now that we're effectively running Logic on supercomputers, most of these obscure performance parameters have been removed or streamlined in more recent versions of the program. The Safety I/O buffer is one new addition, and in the General section you can find the useful new Low Latency mode.When the first version of Logic capable of handling audio was introduced way back in the mists of time, the (then Emagic) programmers had to be extremely creative in an attempt to coax reasonable performance out of computers which, if still around today, would be having sand kicked in their screens by an iPhone. Logic's Audio preferences have been changed quite a lot for version 8. Housekeeping tasks might not be as much fun as making music, but staying on top of them should ensure safely backed-up tracks and a hassle-free system performing at its best.
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