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Audio Units Plug-in Support


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									        Audio Units Plug-in Support
        Digital Performer serves as the consummate host for all 3rd-party Audio Units (AU) plug-in products. Apply a world
        of effects processing and virtual instrument sounds from hundreds of available plug-in products from our
        development partners.

        Partners in developing the AU plug-in standard
        The Digital Performer engineering team collaborates with Apple engineering and 3rd-party developers on a on-going basis
        to continue developing the Audio Units (AU) plug-in specification with new and improved host/plug-in API's that add exciting
        new features and better performance, including:

•       Bypass automation — Digital Performer supports bypass automation for Audio Units plug-ins.

•       Sample accurate timing — Third-party AU virtual instrument plug-ins are 100% sample accurate, providing the tightest

        possible timing between MIDI tracks in DP7 and their AU instrument output.

    •     Effects side chains — DP supports AU effect plug-in side chain inputs.

•       Instrument side chains — DP supports AU instrument plug-in side chain inputs.

•       Cocoa support — DP supports all Cocoa-based graphics in third-party AU plug-ins.

•       Ramp automation — DP supports ramp-based automation for all automatable AU plug-ins that also support it.

•       Control surface support — All AU plug-in parameters can be controlled with external control surfaces such as the new

        Euphonix MC Control™ and MC Mix™ Artist Series controllers, the Mackie Control Universal Pro™ and other supported

        worksurface devices.

•       Prioritized MIDI — There is an emerging class of AU instrument plug-in products such as the Access Virus TI™ and Synful

        Orchestra™ that take advantage of the AU spec's new prioritized MIDI specification, which allows DP7 to take full advantage

        of the features in these products.
        Multiple outputs for Audio Units plug-ins and ReWire
        Digital Performer supports multiple audio outputs for Audio Units plug-ins and instruments that have them.

        Multiple outputs for AUs and ReWire applications are handled by the Instruments tab in the Audio Bundles window. Use it to
        manage the many
        instrument plug-in and
        ReWire outputs you may
        have in your Digital
        Performer virtual studio.

        Support for AU
        Some Audio Units plug-ins
        have the ability to save
        presets as a standard AU
        preset file on disk. Digital
        Performer supports these
        AU preset files. You can
        save them and load them,
        including the ability to drag
and drop them to inserts in the Mixing Board.

Plug-in Manager
DP7's new plug-in management features help you manage
large numbers of audio plug-ins — from the dozens of plug-ins
included with DP7 to hundreds of third-party plug-ins (sold
separately). You can enable or disable individual plug-ins,
create plug-in sets, make plug-ins load even if they don't pass
AU validation, re-examine updated plug-ins for validation and

Dedicated plug-in Preset menu
A dedicated Preset menu in the Effects window gives you
quick access to both factory and user presets. When the menu
is closed, the currently loaded preset is displayed; if it's been
edited, it becomes italicized to show you at a glance. Next and
previous preset buttons have also been added, and can be
controlled with standard Mac keyboard shortcuts or from your
MIDI controller.

Hardware-accelerated plug-ins
Hardware-accelerated AU plug-ins load only for the currently play-enabled sequence. This is especially important for TC
PowerCore and Universal Audio UAD-1/2 users. In Digital Performer, these plug-ins would take up precious DSP resources,
even when they were instantiated in sequences not currently enabled for playback. With Digital Performer, only the plug-ins
in the currently play-enabled sequence will load.


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