Latest Technology in Radio
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Latest Technology in Radio
Radio along with AM and FM for long have been household names. For over a century the world has heard plenty of radio and at one time this was the greatest source of information and entertainment. Its uses evolved in multi directions wireless communication to astronomy. Radio has changed history by influencing the audiences and brought many constructive changes in the way we knew each other from different parts of the world.
But for a long time radio was a crackling jittery sounding device, though it could work virtually in any part of the globe. In the last one and half decade, technology hungry humans have taken the challenge of using the cheapest form of communication—the Radio to broadcast and receive digital data. World Space Radio which can be termed an offshoot of the GPS (Global Positioning System) is an example of latest digital Radio broadcast technology. Specially designed receivers can reprocess the signals waves from satellite and churn out CD quality sound. This has revolutionised the world of radio to absolute hearing pleasure.
But the Technology hungry humans were still not satisfied as the World Space Radio OR the satellite Radio Technology could not be used in moving vehicles. This gave birth to HD (High Definition) Radio Technology developed by iBiquity. This technology creates a powerful digital broadcasting solution known as HD Radio and is also known as In-Band On-Channel Digital Audio Broadcasting. The use of HD Radio Technology enables digital transmission of compact-disc-like quality audio signals to radio receivers with add-ons like new wireless data services such as station, song and artist identification, stock and news information, local traffic and weather, and much more. Fortunately the technology uses the current radio spectrum to transmit AM and FM analog simultaneously with new higher quality digital signals. This eliminates the hiss, static, fades and other distortions associated with conditions of multipath, noise and interference.
How it would revolutionise the radio is that it will allow radio broadcasters to send audio and data content via. digital signals over the existing AM/FM bands and enabling more efficient use of existing bandwidth. With iBiquity Digital's IBOC-based HD Radio technology, the world can use CD player features on live radio like the most wanted backward and forward compatibility. Surprisingly the pre-existing analog radios can continue to receive the analog portion of the IBOC-based broadcast and will allow a smooth transition to a digital world. iBiquity Digital's IBOC technology has designed specific features to improve the existing analog reception during the "Hybrid Mode."
The HD Radios offers much more. It can broadcast multiple programs on a single channel. It essentially works on the similar frequencies allocated to analog (FM and AM) radio stations. HD radio fans say that the quality sound if very high and there is remarkable decrease in interference. With every improved technology, the sound gets clearer and radios become popular than ever before. Its remarkable to trace the feats of technology and the evolving quality of radios.
Other Sites of Interest:
History of the Internet
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