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Wave Radio/CD. The "Wave Radio" (which has since become known as "Wave Radio I") was an AM/FM clock radio that was introduced in 1993. It was smaller than the Acoustic Wave Music System and used two 2.5-inch speakers. [3] A "Wave Radio/CD" model was introduced in 1998 and was essentially a Wave Radio I with a CD player.
A modern LF radio-controlled clock. A radio clock or radio-controlled clock (RCC), and often colloquially (and incorrectly [1]) referred to as an "atomic clock", is a type of quartz clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock.
In 1953, Emerson Radio and Phonograph purchased Quiet Heet Corp., which entered the company into air conditioning. Although radio represented only 15 percent of Emerson's revenue by 1954, the company credited itself as creating the first clock radio, self-powered radio, and transistorized pocket radio. Production of tape recorders began in 1955.
The typical bitrate for DAB stereo programs is only 128 kbit/s or less and as a result most radio stations on DAB have a lower sound quality than FM, prompting complaints from listeners. [94] As with DAB+ or T-DMB in Europe, FM HD Radio uses a codec based upon the MPEG-4 HE - AAC standard.
But FM listening has increased to 61% and DAB decreased to 21% DAB listeners may also use AM & FM too. [ 10 ] The UK currently has the world's biggest digital radio network, with about 500 transmitters, two nationwide DAB ensembles and 48 local and regional DAB ensembles, broadcasting over 250 commercial and 34 BBC radio stations ; about 100 ...
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