RAJAR- Radio Joint Audience Research DAB - Digital Audio Broadcasting DTV - Digital Television (smart tv) BARB - Broadcasters Audience Research Board Demographic Profile - Ethnicity, Gender, Sexuality. Identify question - Pass Explain question - Merit Justify/Evaluate - Distinction. 1a. Explain what the term DAB means and state one advantage to the consumer of using DAB. The term DAB means digital audio broadcasting. An advantage of a consumer. using this is that it is portable and wireless allowing people to use one while at home or away. While people are travelling to work for example they can use a digital radio as they can change music without losing signal. 1b. - Listening to the radio via apps is more popular then listening to radio via DAB because you can now listen to the radio digitally by using a phone which is portable allowing you to listen wherever you choose to. 2a. Explain what The acronym BARB stands for and what the organisation does. ...