Before revision: Broadcast engineering Broadcast engineering is the field of electrical engineering, and now to some extent computer engineering and information technology, which deals with radio and television broadcasting.
After revision: Conversely, receivers can select opt-in or opt-out of getting broadcast messages using an Excel file, offering them control over the information they receiveBroadcast engineering Broadcast engineering is the field of electrical engineering, and now to some extent computer engineering and information technology, which deals with radio and television broadcasting.