The audio system supports up to 64 audio tracks. Each track can have its own effect chain. Eight aux buses are also supported. Each with their own chain. Chains can be made up of VST effects and/or AudioUnits (OS X only). VST 2.0 is supported. All effects can be automated. Real-time editing is encouraged. Software audio play-thru allows the original audio to be recorded regardless of what plug-ins are currently in use.