What is DAP? (Digital Audio ?)

Dear All,
Is there something called DAP (Digital Audio Prodcasting) ? or it is procesing only?
Please can yoou give me any details about what ever it is?

thanks a lot

DAP: Digital Audio Processor
DAB: Digital Audio Broadcasting

DAB links:
http://www.worlddab.org/
http://www.digitalradionow.com/

thank you very much. yes it is DAB.
can you please give me more details about the equipment used, simple design diagram, what is the technical operation and what ever usefull data please.
I'm applying for a job that requires good back ground about DAB. I need to pass the interview:)
thanks a lot