4VSB

4VSB is an abbreviation for 4-level vestigial sideband modulation, a type of radio transmission capable of transmitting two bits of information (2²=4) at a time.[1] Other faster but less rugged forms include 8VSB and 16VSB. While 2VSB is more rugged, it is also slower.

References

Signal processing of HDTV, V : proceedings of the International Workshop on HDTV '93, Ottawa, Canada, October 26-28, 1993. L. Stenger, L. Chiariglione, M. Akgun, European Association for Signal Processing. Amsterdam. 1994. p. 307. ISBN 978-1-4832-9851-1. OCLC 896825877.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)

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[1] Signal processing of HDTV, V : proceedings of the International Workshop on HDTV '93, Ottawa, Canada, October 26-28, 1993. L. Stenger, L. Chiariglione, M. Akgun, European Association for Signal Processing. Amsterdam. 1994. p. 307. ISBN 978-1-4832-9851-1. OCLC 896825877.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)