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Encyclopedia > Single Channel Simulcast

Single Channel Simulcast one calls the simultaneous transmission of a similar amplitude-modulated and one after that digitally radio Mondiale - procedures of transferred signal in the same (SingleChannel Simulcast - SCS) or a neighbouring channel (MultiChannel Simulcast - MCS). For this the DRM signal the carrier is modulated in the procedure of the quadrature modulation and modulated on this signal then the similar signal, whereby depending upon for the order of standing range conventional amplitude modulation or To compatible single-sideband modulation can be used. The Simulcast procedure has the advantage in relation to the pure DRM procedures that also from old To receivers will receive the signal can. However this procedure has the disadvantage of a worse transmission quality in relation to the pure DRM procedures, and also with the receipt with conventional To radios it can come to a stronger noise than with the receipt of a pure To transmitter.

  • http://www.drm.org/newsevents/faqs/faq-053.htm
  • http://www.transradio.de/News_Presse/Zukunftstechn_a__NAB2004/zukunftstechn_a__nab2004.html

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Single Channel Simulcast - Wikipedia, the free encyclopedia (203 words)
Single Channel Simulcast one calls the simultaneous transmission of a similar amplitude-modulated and one after that digitally radio Mondiale - procedures of transferred signal in the same (SingleChannel Simulcast - SCS) or a neighbouring channel (MultiChannel Simulcast - MCS).
For this the DRM signal the carrier is modulated in the procedure of the quadrature modulation and modulated on this signal then the similar signal, whereby depending upon for the order of standing range conventional amplitude modulation or To compatible single-sideband modulation can be used.
The Simulcast procedure has the advantage in relation to the pure DRM procedures that also from old To receivers will receive the signal can.
Fast Guide to DTV - a Whatis.com definition - see also: DTV Guide (5296 words)
The LFE channel is one tenth of the bandwidth of the other channels and is sometimes erroneously called the subwoofer channel.
Simulcast is the simultaneous transmission of the same television program in both an analog and a digital version using two different channels or frequencies.
Simulcast is also used for the transmission of simultaneous television and Internet services, the transmission of analog and digital radio broadcasts, and the transmission of television programs in different screen formats such as the traditional format and the wide screen format.
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