SMPTE RP 157:2012

Key and Alpha Signals

Society of Motion Picture and Television Engineers, 11/01/2012

Publisher: SMPTE

File Format: PDF

$40.00$80.00

Description

Published:01/11/2012

Pages:7

File Size:1 file , 64 KB

This document describes the requirements for the key, alpha or matte signal with respect to its associated fill. In the remainder of the document the term "key" is used, but the requirements are equally applicable to all three. This description is given for digital and analog signals and is valid for all image formats, including without limitation SDTV, HDTV and UHDTV.

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