View source for 4VSB

{{Short description|Type of vestigial sideband modulation}}
'''4VSB''' is an [[abbreviation]] for 4-level [[vestigial sideband modulation]], a type of radio transmission capable of transmitting two bits of information (2<sup>2</sup>=4) at a time.<ref>{{Cite conference |author=M. Sablatash |title=Error-Control Coding, Modulation, and Equalization for All-Digital Advanced Television: State of the Art and Future Possibilities |book-title=Signal processing of HDTV, V |conference=International Workshop on HDTV '93, Ottawa, Canada, October 26-28, 1993 |date=1994 |editor=L. Stenger |editor2=L. Chiariglione |editor3=M. Akgun |publisher=Elsevier |isbn=978-1-4832-9851-1 |location=Amsterdam |pages=307 |oclc=896825877}}</ref> Other faster but less rugged forms include [[8VSB]] and [[16VSB]].  While [[2VSB]] is more rugged, it is also slower.

== References ==
{{Reflist}}

[[Category:Radio modulation modes]]


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