What is the Difference between SDTV, EDTV and HDTV?
by: Pamela S. Stevens

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If you are confused about all the acronyms you see related to televisions, here are some short definitions of common terms, related in order from good to best.

GOOD - SDTV

SDTV is Standard Definition TV and it delivers a type of resolution that is considered to meet ‘standards’ but is not considered high definition. This kind of quality is what you are familiar with in regular DVDs.

BETTER - EDTV

EDTV or Enhanced Definition TV or Extended Definition TV is considered better than broadcasted television, but not as good as High-Definition.

BEST - HDTV

HDTV stands for High-Definition Television and is a type of digital television; it has twice the linear resolution as SDTV. You will see this kind of quality in HD DVDs, Blu-ray discs and HDV.

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