SMPTE RP 157:2012

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SMPTE Recommended Practice – Key and Alpha Signals

Published By	Publication Date	Number of Pages
SMPTE	2012-11-01	7

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Categories: 33.160.01 - Audio, video and audiovisual systems in general, 33.170 - Television and radio broadcasting, SMPTE

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Description

Abtract:

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.

Additional information

Published Code	SMPTE
Published By	Society of Motion Picture and Television Engineers
Publication Date	2012-11-01
Pages Count	7
Language	English
Descriptors	Interface, Key Signal, Alpha, Image Format
File Size	81.9 KB
ISBN	978-1-61482-704-7
ICS Codes	33.160.01 - Audio, video and audiovisual systems in general 33.170 - Television and radio broadcasting

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SMPTE RP 157:2012

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SMPTE RP 157:2012

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