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The major providers of Internet radio in the United States include iHeartRadio and Audacy (both of which are owned by major terrestrial station ownership groups iHeartMedia and Audacy, Inc. respectively), Pandora (owned by SiriusXM), Apple Music and Spotify; Pandora, Apple Music and Spotify operate exclusively on the Internet, while iHeart and ...
- Digital radio - Wikipedia
In digital broadcasting systems, the analog audio signal is...
- Lists of radio stations in the United States - Wikipedia
Radio stations in United States have evolved since their...
- Digital radio - Wikipedia
In digital broadcasting systems, the analog audio signal is digitized, compressed using an audio coding format such as AAC+ [1] or MP2, and transmitted using a digital modulation scheme. The aim is to increase the number of radio programs in a given spectrum, to improve the audio quality, to eliminate fading problems in mobile environments, to allow additional datacasting services, and to ...
This article provides brief information on most of the regions using DAB, DAB+ and DMB. The majority of these services are using DAB+, with only Ireland, UK, Romania and Brunei still using a significant number of DAB services. T-DAB transmitters and coverage areas in Europe, in December 2021.
Radio stations in United States have evolved since their early twentieth-century origins. In 1920 8MK started operations in Detroit ; after it, thousands of private and public radio have operated in the United States.
In the United States, digital radio is broadcast using in-band on-channel technology. This enables radio stations to broadcast their regular FM or AM signal and their digital signal at the same frequency. In other words, a station at 88.7 FM would have a digital signal at 88.7 FM on a digital radio.
FM broadcasting in the United States began in the 1930s at engineer and inventor Edwin Howard Armstrong's experimental station, W2XMN. The use of FM radio has been associated with higher sound quality in music radio.
The FCC has approved In-Band On-Channel (IBOC) digital radio operation for AM (daytime and nighttime) and FM broadcast stations.
