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FOR IMMEDIATE RELEASE

Santa Monica, CA, January 12, 2010 - Apogee Electronics is pleased to announce full product line compatibility with Apple’s recent Logic 9.1 & MainStage 2.1 update. All Apogee Control Panel functions and features work seamlessly in 64bit and 32bit mode. No Apogee software updates are required.

Products benefiting from the Apple update:
    •    ONE
    •    GiO
    •    Duet
    •    Ensemble
    •    Symphony, Symphony Mobile

Logic 9.1 Release Notes>
MainStage 2.1 Release Notes> 

FAQs: Logic 9.1 (64-bit) and Apogee

Q: Can I use Apogee hardware and software with Logic 9.1 set to run at 64-bit?
A: Yes you can. As of September 2009, all Apogee software and drivers are 64-bit compatible.

Q: Can I use Apogee hardware and software with the Snow Leopard kernel running at 64-bit?
A: Yes you can. The  Symphony, OS X Core Audio FireWire and OS X Core Audio USB drivers are 64-bit.

Q: Is there a difference between an application running at 64-bit and the Snow Leopard kernel running at 64-bit?
A: Yes there is. 64-bit applications can run using a 32-bit kernel, as is the case with 10.5 Leopard. Also, 32-bit apps can run using a 64-bit kernel (10.6 only). The chart below indicates the capabilities of Leopard and Snow Leopard.

Q: Is Apogee Maestro 64-bit?
A: Apogee Maestro is not currently 64-bit, but it is compatible with a 64-bit kernel and 64-bit applications. As a fairly simple application, there aren't any major advantages running Maestro at 64-bit. Nevertheless, Apogee plans to release a 64-bit version in 2010.

Q: Does an application running in 64-bit mode improve audio quality?
A: No, audio quality is identical whether an application is running in 32-bit or 64-bit mode. Don't confuse the memory address size of an application (32 or 64 bits) with the bit resolution of the application's audio path (24-bit, 32-bit floating point or 48 bit fixed).

Q: What are the advantages of 64-bit?
A: Here's Apple's FAQ concerning the benefits of Logic Pro 9.1 operating at 64-bit. Their description of the benefits of 64-bit apply to Apogee software and drivers as well.

From the Apple FAQ

Q: What advantages are there to using 64-bit mode?
A: The main advantage is that you can address vast amounts of memory. With 64-bit mode, the application memory is not limited to 4GB as with 32-bit applications, so there is essentially no practical limit by today's standards. As a result, all the installed memory that is not needed by the OS is available for use by Logic Pro or MainStage, which can be meaningful if your Mac has more than 4GB of memory installed. This larger amount of memory allows you to run far more instances of memory intensive plug-ins, such as sample-based software instruments.

Q: Since EXS24 is memory intensive, should I be running Logic in 64-bit mode to get the number of instances I may need?
A: When running in 32-bit mode, EXS24 has an option to take advantage of an area of memory separate from the application's memory, allowing the number of EXS24 plug-ins and the amount of sample content that can be used to be quite substantial.
 
As a result, for most users, the benefit of 64-bit mode is realized when using third-party 64-bit native plug-ins that are memory intensive.

Q: Do Logic Pro or MainStage perform better in 64-bit mode?
A: Logic's processing has always been highly optimized, so in most cases there are only nominal performance improvements when running in 64-bit mode, other than the ability to run more instances of third-party memory intensive plug-ins. However, since Mac OS X v10.6 Snow Leopard is highly optimized for 64-bit operation, there may be some performance gains in areas where Logic interacts with it.

For more information:

Logic Pro and MainStage 64-bit mode FAQ
http://support.apple.com/kb/HT3989



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