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The simultaneous transmission and amplification of baseband 622 Mbit/s, 10 FM NTSC video channels and three FM HDTV components, subcarrier multiplexed on one wavelength, using a high gain erbium doped fibre amplifier is reported. The full menu was successfully transmitted over 15 km of fibre, and distributed to 8192 terminals. A system power budget of 49.5 dB was measured for an amplifier gain of...
The hardware implementation of a 130 Mbit/s (H4 rate) HDTV CODEC based on the DCT (discrete cosine transform) algorithm is studied for transmission in broadband ISDN (BISDN). The intrafield two-dimensional DCT, nonlinear fixed bit quantisation of eight classes with switchable operation between Y and Pr/Pb, and the four parallel signal processing possible by DCT are also implemented in the CODEC. Performance...
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