Bus/aux compression?

Hi all I joined this site to ask this very question hopefully ill get some great answers...Ok let me first explain that I was looking into getting a golden age projects pre 73....And I was thinking that I would need a budget compressor like a rnc or something to track vocals with....Also let me say im only tracking vocals soley....Nothing else.....Someone suggested to me instead of getting a out board compressor that if I had some good compressor plugins(which I do waves ssl api)that I could set up a bus or aux track and record it with the compression plugin....The idea is that I want the compressor to work while tracking(during recording mode) so that it will smooth out dynmic spikes  while recording....Jus like a hardware compressor would....Can someone explain in easiest details possible how to do this in adobe audition   3? When ever ive tried to do this....I still get a wave form with spikes all over indicating the compressor didnt work while recording it only like reads it....How do I write the compression plugin to the waveform as it is being recorded??? I hope this makes sense...I tried to explain in full detail...Any help greatly appriciated. Cheers!     

I am a bit of a loss to understand why you would want to do this in the first place?

Compressing vocals on the way in limits your options to a very great degree and if you get it wrong, you can't undo the result.  Except in a very few cases, standard practice would be to record without any compression and sort it out at the mix stage of the process.  That way you retain total control over the track.

Record at 24bit rather than 16bit and you won't need any compression.

Once recorded you can compress or not compress to your hearts content

Record at 24bit rather than 16bit and you won't need any compression.

That's right - I rather assumed he would be recording at 24 bit depth, so failed to mention it.