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From: Robert Kjettrup <robert@stvmayday.dk>
Date: Mon, 23 Sep 2013 18:07:50 +0200
Message-ID: <CAFu=taaGqYB+9BY4QwLMZ+kYUr98XshRYi+HviJpubga8HymuA@mail.gmail.com>
Subject: Re: [AE] Premiere Pro premultiplied alpha question
To: After Effects Mail List <AE-List@media-motion.tv>
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Hi Todd

So is Premiere guessing what the the alpha is for each import, or is it
forced for a specific format. Eg. the TIFF sequence i have now is read as
Straight and Premiere always read TIFF as straight even if it is
Premultiplied?

It really needs the same interpret footage dialog as AE :-)

Robert


2013/9/23 Todd Kopriva <kopriva@adobe.com>

> In Premiere Pro, the handling of straight versus premultiplied channels is
> specific to each importer; there is no general way to specify this for the
> whole application.****
>
> ** **
>
> Please submit a feature request to the Premiere Pro team.****
>
> ** **
>
> ** **
>
> *From:* After Effects Mail List [mailto:AE-List@media-motion.tv] *On
> Behalf Of *Robert Kjettrup
> *Sent:* Monday, 23 September 2013 03:05
> *To:* After Effects Mail List
> *Subject:* [AE] Premiere Pro premultiplied alpha question****
>
> ** **
>
> Hi****
>
> ** **
>
> I know this is a bit OT but cant find a good answer to this in the manual
> or anywhere online :-(****
>
> ** **
>
> Where can i set what the alpha should be interpreted to in Premiere Pro? *
> ***
>
> there is no option in the interpret dialog like in AE, but the manual says
> that premiere handles both straight and premulitiplied, but no option to
> set it if it is wrong?****
>
> ** **
>
> The only option i have found to correct it is use the Remove Matte effect,
> but i hope that isnt the correct way to do it :-(****
>
> ** **
>
> Robert****
>

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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi Todd<div><br></div><div>So is Premiere guessing what th=
e the alpha is for each import, or is it forced for a specific format. Eg. =
the TIFF sequence i have now is read as Straight and Premiere always read T=
IFF as straight even if it is Premultiplied?</div>

<div><br></div><div>It really needs the same interpret footage dialog as AE=
 :-)</div><div><br></div><div class=3D"gmail_extra"><div>Robert</div><div c=
lass=3D"gmail_extra"><br></div><br><div class=3D"gmail_quote">2013/9/23 Tod=
d Kopriva <span dir=3D"ltr">&lt;<a href=3D"mailto:kopriva@adobe.com" target=
=3D"_blank">kopriva@adobe.com</a>&gt;</span><br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div lang=3D"EN-US" link=3D"blue" vlink=3D"p=
urple"><div><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-fam=
ily:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">In Premiere P=
ro, the handling of straight versus premultiplied channels is specific to e=
ach importer; there is no general way to specify this for the whole applica=
tion.<u></u><u></u></span></p>

<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot=
;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Please submit a featur=
e request to the Premiere Pro team.<u></u><u></u></span></p>

<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot=
;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></spa=
n></p>

<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt"><div><div style=3D"border:none;border-top:solid #b5c4df 1.0pt;paddin=
g:3.0pt 0in 0in 0in"><p class=3D"MsoNormal"><b><span style=3D"font-size:10.=
0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b>=
<span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-s=
erif&quot;"> After Effects Mail List [mailto:<a href=3D"mailto:AE-List@medi=
a-motion.tv" target=3D"_blank">AE-List@media-motion.tv</a>] <b>On Behalf Of=
 </b>Robert Kjettrup<br>

<b>Sent:</b> Monday, 23 September 2013 03:05<br><b>To:</b> After Effects Ma=
il List<br><b>Subject:</b> [AE] Premiere Pro premultiplied alpha question<u=
></u><u></u></span></p></div></div><div><div class=3D"h5"><p class=3D"MsoNo=
rmal">

<u></u>=A0<u></u></p><div><p class=3D"MsoNormal"><span style=3D"font-size:1=
0.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Hi</span><u></u=
><u></u></p><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;fon=
t-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><u></u>=A0<u></u></span>=
</p>

</div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,&quot;sans-serif&quot;">I know this is a bit OT but ca=
nt find a good answer to this in the manual or anywhere online :-(<u></u><u=
></u></span></p>

</div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,&quot;sans-serif&quot;"><u></u>=A0<u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family=
:&quot;Arial&quot;,&quot;sans-serif&quot;">Where can i set what the alpha s=
hould be interpreted to in Premiere Pro?=A0<u></u><u></u></span></p>

</div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,&quot;sans-serif&quot;">there is no option in the inte=
rpret dialog like in AE, but the manual says that premiere handles both str=
aight and premulitiplied, but no option to set it if it is wrong?<u></u><u>=
</u></span></p>

</div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,&quot;sans-serif&quot;"><u></u>=A0<u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family=
:&quot;Arial&quot;,&quot;sans-serif&quot;">The only option i have found to =
correct it is use the Remove Matte effect, but i hope that isnt the correct=
 way to do it :-(<u></u><u></u></span></p>

</div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,&quot;sans-serif&quot;"><u></u>=A0<u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family=
:&quot;Arial&quot;,&quot;sans-serif&quot;">Robert<u></u><u></u></span></p>

</div></div></div></div></div></div></div></blockquote></div><br></div></di=
v>

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