Logic Pro traces its history to German software developer C-Lab, which later changed its name to Emagic. Apple purchased the company in 2002. Originally a musical instrument digital interface sequencer and musical-notation package, Logic grew into a full-featured digital audio-workstation package dedicated to the Mac operating system. At time of publication, Logic Pro X is the most recent release.
On the Stage
Logic Pro X uses the Mac OS X platform, version 10.8.4 or later. The program is designed for exclusively 64-bit processing and has no 32-bit compatibility. Minimum processor speed is 2 gigahertz and multicore processors are supported with the Intel Core 2 Duo suggested as a system minimum. Five gigabytes of hard disk space is required for installation, with 35GB of optional content available for download. Apple recommends a display with 1280-by-768-pixel resolution or greater.
In the Air
Logic Pro X and the optional libraries are available only through the Mac App Store in iTunes as a 828MB download, so an Internet connection is necessary to purchase and install the program. New and existing users pay the same price for this release. While there is no upgrade pricing, the unified purchase price had been reduced. Logic Pro veterans don't suffer, and new users have price-based incentive. Although it isn't required for operation, Logic Pro X now includes iPad controller support.
Mobilizing the Audio Units
Perhaps the biggest change with Logic Pro X is the removal of the 32-bit Audio Unit bridge. Plug-ins for Logic use Apple's Audio Units architecture and while most providers have migrated to 64-bit versions, users who have not upgraded can't use these older versions with Logic Pro X. Logic Pro 9 is a requirement to use 32-bit plug-ins, since it supports the AU bridge. Version 9 can exist simultaneously on a computer with version X, and it can run simultaneously, so old plug-ins may still be accessible with some creative planning.
The Device Squad
Some Logic Pro users have more than one audio interface or multiple input and output devices. While Logic Pro automatically recognizes installed Core Audio hardware, multiple devices may benefit from optimized settings, available through the Devices pane. Input and output devices can be deselected or reactivated. The input/output buffer can be adjusted, and you can adjust bit rates to match settings from your input devices. While adjusting these settings is not required, your performance may improve.
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