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Michel NAJMAN: Engineer from École Nationale d'Ingénieurs de Brest - DVB-T Test Manager at Thales Broadcast et Multimédia
INTRODUCTION
In this first article, we analyze the different processes used to encode a color television image and transpose it onto a waveform, showing the transition from analog to digital.
We will review the principles behind existing standards such as NTSC, SECAM and PAL, and modulation processes such as M and L.
We'll review the work that made digital television possible, such as MPEG 2 video compression, 8-VSB and COFDM modulation, and look at the particularities of the transmission channel.
In a second article , we will analyze the ATSC system and 8-VSB modulation.
In a third article , we will describe the equipment and deployment of digital terrestrial television.
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Digital terrestrial television
From analog to digital
