Search results
Results from the WOW.Com Content Network
Digital multimedia broadcasting (DMB) and DAB-IP are both suitable for mobile radio and TV because they support MPEG 4 AVC and WMV9 respectively as video codecs. However, a DMB video subchannel can easily be added to any DAB transmission, as it was designed to be carried on a DAB subchannel.
Software License Operating Systems Features Amateur Contact Log by N3FJP Proprietary Windows Logging, Transceiver control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), Awards, DX Spots, Digital Modes
4 FM-available stations (Jedynka, Dwójka, Trójka, PR24) 3 DAB-only stations (Czwórka, Radio Dzieciom, Radio Rytm) Radio Poland - DAB-only in Poland, but in some countries also on FM or SW. The multiplex can include one or two regional stations (some of them also FM-available), but it differs between Polskie Radio's various regional stations.
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 ...
A tuner is also a standalone home audio product, component, or device called an AM/FM tuner or a stereo tuner that is part of a hi-fi or stereo system, or a TV tuner for television broadcasts. The verb tuning in radio contexts means adjusting the receiver to detect the desired radio signal carrier frequency that a particular radio station uses.
The typical bitrate for DAB stereo programs is 128 kilobit per second or less and as a result most radio stations on DAB have a poorer sound quality than FM does under similar conditions. [40] Many DAB stations also broadcast in mono. In contrast, DAB+ uses the newer AAC+ codec and HD FM uses a codec based upon the MPEG-4 HE-AAC standard.
Demodulation is the process of extracting the original information-bearing signal from a carrier wave.A demodulator is an electronic circuit (or computer program in a software-defined radio) that is used to recover the information content from the modulated carrier wave. [1]
A typical DAB digital radio receiver with the Digital Radio Development Bureau DAB digital radio marketing logo. In the United Kingdom, the roll-out of digital radio has been proceeding since engineering test transmissions were started by the BBC in 1990 followed by a public launch in September 1995.