Internet radio (also web radio, net radio, streaming radio, e-radio,
online radio, webcasting) is an audio service transmitted via the
Internet. Broadcasting on the Internet is usually referred to as
webcasting since it is not transmitted broadly through wireless means.
Internet radio involves streaming media, presenting listeners with a
continuous stream of audio that typically cannot be paused or replayed,
much like traditional broadcast media; in this respect, it is distinct
from on-demand file serving. Internet radio is also distinct from
podcasting, which involves downloading rather than streaming.
Internet radio services offer news, sports, talk, and various genres of
music—every format that is available on traditional broadcast radio
stations. Many Internet radio services are associated
with a corresponding traditional (terrestrial) radio station or radio
network, although low start-up and ongoing costs have allowed a
substantial proliferation of independent Internet-only radio stations.
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