When it comes to audio, AE is a real lightweight. I have never, ever heard of audio plugins for AE, which is first and foremost a VIDEO application; typically, audio is used just for reference to help timing.
Could you explain your workflow and why you feel such plugins are necessary for your AE work? We might be able to offer viable alternatives.
Just trying to eliminate having to use an audio studio mixer app for voice/pitch distortions, then bringing clip into AE for sync. There are some good VST plugins for recording industry that worked in Premier, but those industries are slow in updating to 64-bit (as required for AE plugins).
Currently, character dialog is recorded and modified with recording studio app (Pro Tools) and clip imported into AE for animation sync. Pro Tools is a large, cumbersome, slow app that i would like to eliminate.
Here's a thought: if you have Production Premium, you have Audition, and a quick inquiry on Adobe's Audition forum would reveal if it supports VST plugins. I recommend a visit to it, and I have a feeling using Audition would be faster than the Pro Tools route.
Audition/ Soundbooth do support Dynamic link, meaning you can import AE compositions without rendering them. How practical that is, is anotehr question...
As the others suggest, you should be doing nothing with audio in After Effects. That's what Audition and Premiere Pro are for. After Effects is terrible at audio. As a motion graphics and compositing application, it supports audio only so that you can use it as a reference for your visuals.
As a motion graphics and compositing application, it supports audio only so that you can use it as a reference for your visuals.
Well, sir, both you and I said that, but to be totally fair I need to talk up one AE audio effect I REALLY like: Reverb.
I find it highly intuitive, and getting just the sound I want is fast and easy. I prefer using it over all the other audio-only applications where I've tried the reverb.
It's a little cumbersome to go into & out of AE just for that one audio trick, so you need to make sure you get it right the first time.
And to think it's been in AE almost since the beginning, too....
And my own little defence of AE audio: Stereo Mixer. I have an ongoing job that I've done for some years, which generates about 50 different graphics pieces per week, 20 weeks of the year. It's primarily a graphics job, but I need to provide the final output with voice over in the left channel and music in the right. Stereo Mixer allows me to do this simple task within AE, removing the need to double handle all those files. Very simple, but a huge timesaver for me.
But I echo the ststements of everyone here: generally speaking, any audio processing that's even slightly complex or specific should be done in a more appropriate tool.