- Program-associated data
Program Associated Data (PAD) or Program Service Data (PSD) is a concept related to
broadcastingwhich consists of a number of different fields or streams which are displayed on many HD Radio& satellite radioreceivers in order to describe the program being transmitted, including different information such as:
* song title.
* program title.
* artist name.
* album name.
* music genre.
This is intended to be seen by the listener as the program is heard.
The HD radio & satellite radio systems provides a data path for this programming data to be delivered and read by the listener as part of visual
displayin near real time. HD radio & satellite radio receivers should provide PAD decoders and visual screens for displaying the information in a correct way.
A lot of local radios which are transmitting in digital, are using PAD capacity to increase the value of the service they are giving.
This is different from
Radio Data System(RDS).
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