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Re: Any experienced Ableton users able to give me a hand?

The AU spec allows plug-ins to know if they're processing 'silence'
and/or to tell subsequent plug-ins that their output is silent. Live
supports this fine, and this is the usual method for saving CPU on
plug-ins that aren't actually processing any input. However, it relies
on the plug-ins actually implementing this - I'm sure many ignore it
and just process the incoming audio regardless.

In my Live rig I have a number of effects set up and then automate
their on/off switch (top left of the Live unit for the plug-in). Seems
to work fine.
NB muting a chain in a rack is not the same as actually powering off
the plug-ins in that chain.


2009/6/2 Simeon Harris <simeonharris40@googlemail.com>:
> well ok then...i thought my question might be too esoteric to be of much
> interest...but here goes...and it relates to Live 8
> this is basically an extension of the rack>laptop thread
> i really like the plugins in Live and i'd like to use them in conjunction
> with my favourite AU plugins to replace my rack of fx
> i've successfully managed to put augustus loop and sooperlooper in a 
> of aux channels and control them fine...it's the main fx chains that are
> giving me a headache
> ideally i'd like to set up one chain of fx with all the plugins i'll need
> and then just turn them on and off and recall a preset into the ones i 
> on, but Live wants me to chain up all the fx i want for a particular 
> in a rack and recall that particular chain with a cc value. this gives 
>me a
> couple of problems...one is that Live doesn't respond to program change
> messages (which my footcontroller sends out), but i've solved this by
> transforming these into cc messages by using MidiPipe. the other problem 
> the sheer number and complexity of the chains i'll need...maybe up to
> 60...and with many of those containing instances of Reaktor, the CPU load
> will be massive (i don't think Live behaves like Mainstage, effectively
> turning off plugins that aren't in use and saving on CPU...but i might be
> wrong). one solution may be to create racks out of the Live plugins, but 
> out of the AU plugins. most AU plugins allow their presets to be recalled
> via program change messages and both the PC and CC messages i'm sending 
> being received...but i can't seem to get Reaktor to respond when it's a
> plugin (the standalone behaves perfectly).
> anybody got any ideas how i can stay with a "preset" modus operandi and 
> it all work in Live? if Live turns off plugins that aren't currently 
> then it should be fine and i'll try and experiment with this further, 
>but if
> not i think i'm a bit stuck.
> i did play around with Bidule for a bit and yes, this kind of thing is a 
> easier, but it seemed less stable at the latency settings i liked and it
> doesn't have the plugins that Live has
> cheers!
> sim