newtek speededit-quick start Manual De Usuario
Real-time Chroma Keying
SpeedEDIT allows you to key out selected clip colors in real-time. This means you can see the
results without the need to render first. To illustrate, go to File > Open and open
\QuickStart\Projects\Proj-08-Keying.vtp.
Let’s Goto 01:33:04 in the project where we have a NewTek logo as our base image. In the
Timeline view underneath NewTek BG-B.jpg, let’s add the clip
\QuickStart\Footage\Overlays\HandShake.m2t.
results without the need to render first. To illustrate, go to File > Open and open
\QuickStart\Projects\Proj-08-Keying.vtp.
Let’s Goto 01:33:04 in the project where we have a NewTek logo as our base image. In the
Timeline view underneath NewTek BG-B.jpg, let’s add the clip
\QuickStart\Footage\Overlays\HandShake.m2t.
With Control Tree in the lower pane, Notice that
in the left window, each category has a plus sign
next to it. Clicking that plus sign will expand to
reveal its options. Expand the Chroma / Luma
Keying options at the bottom. (You can drag the
Control Tree vertical bar to the right a little to
show all text)
With the Edit line inside the selected HandShake clip, right
click on the key color so the cursor changes into an eye
dropper. This allows us to sample a specific color inside the
clip. Continuing to depress the right mouse button, drag the
eyedropper to the Output monitor and place it over the
green and release. In doing so, you’ll notice the green in
the video clip is noticeably darker than the default value.
Next, Click on the checkbox to enable Chroma keying. In
doing this, the master checkbox also indicates Enabled. This
is so you can see even in collapsed view that a particular
category is active. Now, scrub the Edit Line to the middle of
click on the key color so the cursor changes into an eye
dropper. This allows us to sample a specific color inside the
clip. Continuing to depress the right mouse button, drag the
eyedropper to the Output monitor and place it over the
green and release. In doing so, you’ll notice the green in
the video clip is noticeably darker than the default value.
Next, Click on the checkbox to enable Chroma keying. In
doing this, the master checkbox also indicates Enabled. This
is so you can see even in collapsed view that a particular
category is active. Now, scrub the Edit Line to the middle of
the clip where the hands are joining, and you’ll see a pretty bad looking key, with just portions of
the hands visible, and the rest in black. Don’t worry it just needs adjusting.
the hands visible, and the rest in black. Don’t worry it just needs adjusting.
Start by turning the dial next to Key Tolerance down to
about 25.0 or just type in that value and press Enter. Now
we see the hands and arms, but they are still over black
instead of the NewTek logo. To finish this, click on Overlay
(the ‘y’ key) and now we are almost there.
about 25.0 or just type in that value and press Enter. Now
we see the hands and arms, but they are still over black
instead of the NewTek logo. To finish this, click on Overlay
(the ‘y’ key) and now we are almost there.
You may notice a small green edge along the arms.
Eliminate this with the Key Choke control By dialing in (or
typing) a negative value of about -3.00. There! Play the clip
to see your results.
Eliminate this with the Key Choke control By dialing in (or
typing) a negative value of about -3.00. There! Play the clip
to see your results.