Terrestrial radio uses analogue and digital signals to broadcast music, news, and entertainment to wide audiences through radio stations. There are three main types of terrestrial radio services: conventional, digital, and trunking. Digital audio broadcasting (DAB) is a digital radio technology used internationally to broadcast radio stations. Broadcasts can be live, as-live, or recorded, and include music, speech, commercials, and dramas. Non-broadcast products include podcasts that can be downloaded, internet radio that streams online, and in-store radio for businesses.

1. BROADCAST PRODUCTS
Terrestrial radio (Broadcast): They provide multiple of people to listen to
music, radio, TV and news, including more. There are three types of
terrestrial radios service providers, which are;
- Conventional
- Digital
- Chunking
Analogue and voice only are also used in terrestrial radios.
Digital audio (Broadcast): It is a digital radio technology that is used for
broadcasting radio stations. (DAB) in used in many other countries. It was
also used European research project in the 1980’s.
Live (Broadcast): A live broadcast is when the main event is taken or is done
live for so many people to watch and listen without delay or interruptions.
As-live (Broadcast): As-live broadcast is when there is a television
production that has been made in real time when broadcasts are usually
made.
Recorded (Broadcast): Is when it has been previously recorded and they
have decided to broadcast it live even though it has been made earlier.
Music and speech programming: These types of broadcasts are only made
for talking and music. There are some live broadcasts that are only made for
a conversation. For e.g. if an actor or actress talks about their upcoming
movie or their favourite thins with the other person. They are usually about
music, or whatever topic they choose.
Commercial (Broadcast): Is also known as private broadcasting, is when the
television programmes are being broadcast by a privately corporate media.
Drama (Broadcast): This is an exaggerated acoustic performance that is
broadcasted on radio or published on audio with music in the background.

2. NON-BROADCAST PRODUCTS
Podcasts:
Is a digital audio file that is available on the internet, which is used so that
you can download it onto a computer or a portable media player device.
Internet radio:
Internet radio is an audio service that is transmitted by the internet. That can
be wirelessly connected to your home network so that you can be have
access to a lot of internet radio stations.

3. In-store radio:
It is a music service that is specifically created for business or radio. In-store
radio can be used by anyone and they programme the music, provide and
create commercials for offers and new products.