JeffVox wrote:
In the previous version of Garageband, I used a basic compressor all the time. It offered basic funtionality such as gain, compression ratio, etc.
GBv10 is a very different piece of software, i'm afraid, and the Track Effects, as they, were no longer exist:
http://www.youtube.com/watch?v=4r-eoS68Gx0&feature=share&list=UUuE8QI3rOfyiUL-W3 yqvWOA
almost all of the presets have _a_ compressor, open the Smart Controls (knob icon)
also the standard Audio Units are still part of the built-in system:
http://www.bulletsandbones.com/GB/GBFAQ.html#gbv10audiounit
This FAQ entry also offers a Minute GarageBand video tutorial
(Let the page FULLY load. The link to your answer is at the top of your screen)
you might try Apple's AUMutiBandCompressor