What is amplitude and compression in Adobe Audition?
The Amplitude And Compression > Multiband Compressor effect lets you independently compress four different frequency bands. Because each band typically contains unique dynamic content, multiband compression is a powerful tool for audio mastering.
What does compression do in Adobe Audition?
A multiband compressor allows you to split a track into different frequency ranges and compress them independently. For example, it can reduce the low end of a vocal when it's too boomy and leave it alone when it sounds fine.