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SMPTE RP 157:2012
[ACTIVE] [STABILIZED]

Key and Alpha Signals

Metadata

Publisher
SMPTE
Doc Type
Recommended Practice (RP)
Abstract
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.
Release Tag
20121101-pub
Publication Date
2012-11-01
DOI
10.5594/SMPTE.RP157.2012
ISBN
978-1-61482-704-7
Link
https://doi.org/10.5594/SMPTE.RP157.2012
Group
SMPTE 10E Essence
Keyword(s)
Communication, Networking and Broadcast Technologies, Image Formats, Interfaces, Television, Interface, Key Signal, Alpha, Image Format
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SMPTE RP 157, Key and Alpha Signals. Available at https://doi.org/10.5594/SMPTE.RP157
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SMPTE RP 157:2012, Key and Alpha Signals. Available at https://doi.org/10.5594/SMPTE.RP157.2012
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<span class="citation"><cite>SMPTE RP 157:2012</cite>, Key and Alpha Signals. Available at <a href="https://doi.org/10.5594/SMPTE.RP157.2012" target="_blank" rel="noopener">https://doi.org/10.5594/SMPTE.RP157.2012</a></span>
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SMPTE RP 157, Key and Alpha Signals. Available at https://doi.org/10.5594/SMPTE.RP157
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<span class="citation"><cite>SMPTE RP 157</cite>, Key and Alpha Signals. Available at <a href="https://doi.org/10.5594/SMPTE.RP157" target="_blank" rel="noopener">https://doi.org/10.5594/SMPTE.RP157</a></span>

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SMPTE RP 157:2012, Key and Alpha Signals
doi: 10.5594/SMPTE.RP157.2012
url: https://doi.org/10.5594/SMPTE.RP157.2012
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<cite id="bib-smpte-rp157-2012">SMPTE RP 157:2012</cite>, Key and Alpha Signals
<span class="doi">10.5594/SMPTE.RP157.2012</span>
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SMPTE RP 157, Key and Alpha Signals
doi: 10.5594/SMPTE.RP157
url: https://doi.org/10.5594/SMPTE.RP157
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<cite id="bib-smpte-rp157">SMPTE RP 157</cite>, Key and Alpha Signals
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