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Testapedia Glossary

VANC/HANC

Term
VANC/HANC

Abbreviation

Definition
Ancillary data packets are located in horizontal (HANC) or vertical (VANC) blanking of a video signal. HANC is used to embed uncompressed audio data in the SDI or HD-SDI stream. VANC is used to embed low-bandwidth data, information updated on a per-field or per-frame basis.

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