Live Audio Unit Hosting in a Virtual Rack
Rax lets you create your ideal rack of AudioUnit synthesizers and effects all of which can be controlled by a MIDI keyboard. Flexible audio and MIDI routing help you get the most out of your AudioUnits. With Rax you can create a rack of synthesizers each of which can be addressed on a separate MIDI channel for a selection of ready to play sounds - or layered for massive sounds.
Each synthesizer has its own dedicated mixer channel where insert and send effects can be added. Finally the master audio output can have effects added as well.
Rax can also handle a live audio feed allowing you to connect a microphone or guitar input. And you can easily record your performance with one click.
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Version 3.0.1b1 |
MacOS X UB |
(App) |
Oct 18, 2010 |
- Resolves error switching to next/previous song via Remote Controls
- Various internal fixes/updates
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Version 3.0.0 |
MacOS X UB |
(App) |
May 17, 2010 |
+ initial release
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Version 3.0.0rc9 |
MacOS X UB |
(App) |
May 11, 2010 |
- Fixed an issue metering certain AU instruments
- Fixed an issue metering and using certain VST instruments
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Version 3.0.0rc8 |
MacOS X UB |
(App) |
Apr 27, 2010 |
- Fixed an app. error that occurred when loading the FluidR3 GM soundbank into DLSMusicDevice and then selecting "MIDI" from the interface
- Resolved an issue wherein "Enabled" had to be re-checked when assigning Remote Controls
- Fixed an app. error that occurred when closing a Rax file while MIDI was enabled in the Remote Controls
- Fixed an app. error that occurred when switching audio devices while editing an Audio Bundle
- Resolved an issue wherein Rax would not sync to clock from Logic 8 and 9
- Resolved a graphic bug in the Repertoire window
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Version 3.0.0rc7 |
MacOS X UB |
(App) |
Nov 15, 2009 |
* fully Snow Leopard compatible
- fixed a bug starting up in demo mode
- fixed a bug selecting channel color
- fixed the console's progress view visibility
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Version 2.1 |
MacOS X UB |
(App) |
Dec 13, 2007 |
New Preferences window
Revolutionary integrated Help Desk
Updated the About Box
New licensing system
Completeley reengineered MIDI (retired PYMIDI)
Support for Sassfras K2 KeyServer
New application & file icons
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Version 2.0.2 |
MacOS X UB |
(App) |
Sep 20, 2006 |
GUIs for Apple AUs don't stop updating anymore if a menu is open
MIDI automation now works as intended
Can now change Record Location
MacBook iSight now works in OnStage
MIDI file tempo in Rack mode improved
Master volume with no sound after a drag'n'drop midi file is now fixed
Module "view" button now makes Audio Unit's GUI visible
Tassman now doesn't crash when its view component is closed
Guitar Rig's (an effects plugin for RAX) "Open File" dialog box now displays correctly
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Version 2.0.1 |
MacOS X UB |
(App) |
Jun 18, 2006 |
Allow songs and sets to be duplicated.
Menu and volume buttons on the IR Remote now usable.
Some error numbers were being reported in the wrong format.
Cancelling the PreStage process results in an error message when it shouldn't.
When selection is made in OnStage revert to the normal set list display.
When changing songs some knobs sometimes failed to work.
Wayward timer in AU GUIs is causing crash on song switch.
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Version 2.0 |
MacOS X UB |
(App) |
Jun 14, 2006 |
Set and Song Support.
OnStage high contrast fullscreen view.
High Contrast UI.
Visualizer support - with low CPU usage.
Control via Apple Remote.
MIDIfile playback, Notepad for each song.
New interfaces for Apple plugins.
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Version 1.2.3 |
MacOS X PPC |
(App) |
Feb 16, 2005 |
- Non-44.1kHz sample rate issues have been resolved.
- Losing audio input when changing buffer size issue has been resolved.
- Compatibility issues with Rax AIFF files have been resolved.
- Missing rack after initial alert dialog has been resolved.
- Missing instruments due to missing font issue has been resolved.
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Version 1.2.2 |
MacOS X PPC |
(App) |
Dec 4, 2004 |
- Mixer channel Mute is now remote controllable.
- Setting mixer channel volume to zero eliminates instrument load on CPU.
- MIDI notes are no longer buffered when a rack is deactivated or a channel is muted.
- External sync is now passing through tempo data to all AudioUnits.
Keeps crashing with my OS X 10.2.8 Tascam US-224 setup. Too bad. Because it's a great idea.
Am I missing something here ... did the earlier version of RAX support VST ... because I can't see anyof my VST effects/instruments with the new RAX 1.1!!
Great product but I'd like both VST and AU supported please ...
First version since the new GUI/shareware version that has worked for me. One crash when removing Phatmatik Free, but that's an old AU.
I find that in version 1.05 Rax doesn't support 96000Hz sampling rate on my Edirol FA-101. I have yet to test version 1.06. Otherwise, it's a good host, and so far I've found it doesn't crash if any audiounit's that are being hosted suddenly crash, which is especially good.
Hi nreyes,
The problem you you mention was Fixed the day or day after Rax was released. Is all well with the latest version?
I can't get this to work. It launches okay, but then I can't start any Racks or insert any instruments or effects (they remain grayed-out). Luckily I still have the previous version of RAX on a separate drive.
Hopefully an update will address this problem, because it is clear that the features of the new version are welcome & potentially very useful. However, if the demo doesn't work, I am not confident that I will pay to register.
(running RAX 1.0 in MAC OSX 10.3.4)