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Home » Dictionary » Video

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Numeric

ATSC
Author: Gabriel Torres Last Updated: April 26, 2005
Category: Video

Advanced Television Systems Committee

Digital television standard adopted by the USA, Canada, Mexico and South Korea.

In this system the images are coded using the MPEG-2 algorythm (the same used by DVD and other digital television standards) and transmited using 8-VSB (Eight Vestigial Side Band) modulation. The modulation technique used on ATSC is what differs it from the other digital television standards adopted by other countries (DVB-T and ISDB-T). The ATSC disavantage over the other two standards is that the 8-VSB is more sensible to interferences.

Below you can see the 8-VSB modulator block diagram used on ATSC.

ASTC

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