Optional Digidesign Software — Pro Tools|24 MIX Systems for Windows XP

The following optional Digidesign and Digi-distributed software is compatible with Pro Tools 6.4.1:

New retail purchases of all plug-ins and software above include an iLok License Card. iLok USB Hardware Key sold separately, available from your Authorized Digidesign Dealer or the DigiStore

For more information, see the Digidesign Plug-Ins Guide in the Technical Document Library

Information and links to products from other developers can be found in the Developers/Plug-In Info section of the website. For a list of plug-ins from Digidesign & Digidesign Development Partners, see the Pro Tools|24 MIX Plug-In Finder. Check with individual plug-in manufacturers for compatibility information with their plug-ins and your system.


  • Updates for existing owners of all of the above software are included on the Pro Tools 6.4.1 CD, or download from the following page:
  • An iLok USB Hardware Key may be required for some software authorizations
  • Floppy disk authorizations will not work with Pro Tools 6 plug-ins

MP3 Option

Avid Compatibility

Pro Tools 6.4.1 software does not include support for Avid Unity MediaNetwork Shared Storage Systems, AVoption, AVoption|XL, AVoption|V10, or Avid Mojo.

Included Digidesign Software — Pro Tools TDM 6.4.1 for Windows XP

DigiRack Plug-Ins

The following DigiRack Plug-Ins are included with Pro Tools 6.4.1 TDM software for Mac OS X & Windows XP:

  • Chorus
  • Click
  • D-Verb
  • D-Verb-AS
  • DigiReWire
  • Dither
  • Dynamics II
  • EQ II
  • Flanger
  • Invert-Duplicate
  • Mod Delay II
  • Multi-Tap Delay
  • Normalize-Gain Change
  • Ping-Pong Delay
  • Pitch
  • Reverse-DC Removal
  • Signal Generator
  • Stereo Mixer
  • Surround Mixer
  • Time Comp-Exp-Pitch Shift
  • TimeAdjuster
  • Trim

DigiRack Plug-ins are automatically installed during the Pro Tools installation and are automatically authorized by the Pro Tools authorization. The Pro Tools 6.x application and included DigiRack Plug-ins do not require an iLok for authorization. Only optional Digidesign and Digidesign-distributed Development Partner plug-ins and software options on Pro Tools TDM and LE systems running v6.x software have changed from floppy disk to iLok authorization (as have many third-party software manufacturers). If you do not own any floppy-authorized plug-ins or software that you need to upgrade for use with Pro Tools 6.x, or have not purchased any new plug-ins that require an iLok authorization, you do not need an iLok.

For more information on DigiRack Plug-Ins, see the DigiRack Plug-Ins Guide in the Technical Document Library and installed in your Documentation folder during Pro Tools installation. For information on how to use the new DigiReWire plug-in, see the DigiRack Plug-Ins Guide.


For information on how to use the new DigiReWire plug-in, see the DigiRack Plug-Ins Guide: Using Digi ReWire (Pro Tools 6.1 & Higher Only)

Free Bomb Factory Plug-ins for all Pro Tools 6 owners:

  • Bomb Factory BF76 Compressor
  • BF Essential Clip Remover
  • BF Essential Correlation Meter
  • BF Essential Meter Bridge
  • BF Essential Noise Meter
  • BF Essential Tuner
  • Funk Logic Mastererizer

Download and Details

Plug-In Formats

Pro Tools TDM software supports the following Plug-In formats:


Digidesign's Time Division Multiplexing (TDM) technology is the foundation of the Pro Tools professional mixing environment, providing 24-bit mixing and real-time digital signal processing (DSP) capabilities. TDM Plug-Ins use the dedicated hardware of TDM systems, which offer easy expandability — you can add TDM plug-ins up to the DSP capacity of your system, no matter how many edits or how much automation you have in a session. If you need more DSP, simply add another DSP Farm or MIX Farm card.


Host Time Division Multiplexing (HTDM) Plug-Ins represent a hybrid of TDM and RTAS technologies. HTDM Plug-Ins provide all the logistical functionality of standard TDM Plug-Ins, but, like RTAS Plug-Ins, they allow for all the processing to be done on the host. In so doing, HTDM Plug-Ins offer two primary benefits: The resources of the Pro Tools Core and/or Farm DSP chips remain available for other tasks; and, despite running on the host, HTDM Plug-Ins can be instantiated on any track, a characteristic previously confined to TDM Plug-Ins only. HTDM Plug-Ins will only work with the following systems:

  • Pro Tools|HD systems for Macintosh or Windows XP
  • Pro Tools MIX systems with Pro Tools 5.1.1 for Macintosh or higher
  • Pro Tools MIX systems for Windows XP and Windows 2000 with Pro Tools 5.3.1 or higher

For more information, see the HTDM Q & A

Real-Time AudioSuite (RTAS)

Real-Time AudioSuite Plug-Ins are host-based processors, using the computer's processing power to do their job. Functionally, RTAS Plug-Ins offer many of the real-time benefits of TDM Plug-Ins. They are fully automatable, their parameters can change in real time, and their effects are not permanently written to the audio file. Since they are host-based, RTAS Plug-Ins require trade-offs between track and plug-in count, edit density and amount of mix automation in a session.


AudioSuite Plug-Ins provide file-based processing, meaning they process or alter the sound file and create a new file with the processed sound. The resulting effect is applied to the entire file. AudioSuite Plug-Ins are great for conserving DSP power and certain types of processing where there is no real-time benefit or application, such as normalization and noise reduction.

FXpansion VST to RTAS Adapter

The use of VST plug-ins and VST Instruments requires the optional purchase of the FXpansion VST to RTAS Adapter. The adapter enables VST effects plug-ins and VST Instruments to be used as RTAS plug-ins in Pro Tools sessions.

Digidesign Compatibility Documents Index