The AC-3 system makes a basic assumption that audio dynamic range and program loudness are separable and can be controlled independently. This is a dramatic departure from the actions of legacy broadcast dynamic range processors installed at so many broadcast stations and networks.  -   Tim Carroll     Quotes
The AC-3 system makes a basic assumption that audio dynamic range and program loudness are separable and can be controlled independently. This is a dramatic departure from the actions of legacy broadcast dynamic range processors installed at so many broadcast stations and networks. Tim Carroll
 Assumption