COFDM modulation adds stability to relay broadcasting applications

Article Abstract:

NEC Corp will display its latest digital microwave link system at the NAB '99 trade show. The microwave system includes a 4:2:2 profile @ main level, an MPEG-2 codec and a COFDM modulator. Both the codec and modulator offer excellent broadcasting quality in a portable unit. The modulator uses differential quadrature phase shift keying for every carrier modulation. The systems also allows for a carrier spacing of 15 KHz for greater margin against phase noise than other terrestrial systems.

Video Program Equip, Broadcasting equipment

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Pioneer cultivates DVD products for broadcasting, education

Article Abstract:

Pioneer Electronic Corp will exhibit several DVD technologies at the NAB '99 annual trade show. Among these are the DVD-V7200; an industrial DVD- Video player; a CD and DVD multiple-disc changer that can handle up to 720 discs. The DVD-V7200 is the replacement to Pioneer's LaserDisc players, and features a fine-performance spindle motor and dust-proof and heat- resistant structures that ensures 10,000 hours of continuous operation before failure.

Video Program Eqp NEC

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JVC tackles development multimedia network

Article Abstract:

Victor Company of Japan Ltd intends to establish itself in the business of multimedia networks based on wireless, optical local-area networks (LANs) To accomplish this, the Japanese consumer electronics manufacturer has introduced a line of LAN products. These include the VIPSLAN-100. a 100Mbps wireless LAN for outdoor use, the VN-C3 and VN-C2W network cameras, and the VN-S100/200 multiple-camera browser.

Local Network Microwave Equip, Wireless LANs

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