SDTV - (standard definition TV) - SDTV is 480i, which is approximately the resolution of NTSC and DVDs.
Symbol rate - The symbol rate for ATSC is 10.76 million symbols/sec. 8VSB has 3 bits/symbol. After the error correction bits are removed the net - transfer rate is 19.28 million bits/sec.
EDTV - (enhanced definition TV) - Essentially DVD quality, it is a small step up from NTSC. An EDTV will convert all 18 ATSC formats to 480p.
HD-Ready TV - An HDTV monitor or TV that lacks a digital tuner.
Progressive Scanning - A system of video scanning where lines of a picture are displayed consecutively (unlike interlaced).
Artefacts - Unwanted visible effects in the picture created by errors in the video processing or noise/interference in analog circuits. Common artefacts include 'edge crawl' or 'hanging dots' in analog pictures or 'blockiness', noise or 'contouring' in digital pictures.
First-surface mirror - Normal mirrors have the silvering on the back surface of the glass. First surface mirrors have it on the front.
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