Table 6-1DSK and Non-DSK Title Playback Capabilities . . . . 240
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CHAPTER 1
Preparing to Work with
Effects
NewsCutter offers many effects that you can apply to your sequences.
This chapter describes concepts you should understand before you
begin creating and editing effects into sequences.
•Effect Types
•Effects Creation Tools
•About Real-Time and Downstream Key Effects
•Using the Effect Palette
•Playing Effects in a Sequence
•Using Third-Party Plug-in Effects
Effect Types
Much overlapping occurs between the various types of effects you can
create, as well as the methods used to create them. Your system offers
four basic effect types.
•Transition effects (dissolves, wipes, and so forth) are applied at
the cut point between two video clips that are on the same video
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track (that is, the same video layer). For more information on
creating transition effects, see Chapter 2, “Basics of Effects Editing
and Chapter 3, “Customizing Effects with the Effect Editor.”
•Segment effects are applied to an entire clip or group of clips.
There are two types of segment effects:
-A single-layer segment effect, such as the Mask effect, is
applied to a segment on one video track. Single-layer segment
effects use one stream of video. For more information on
creating single-layer segment effects, see Chapter 2, “Basics of
Effects Editing” and Chapter 3, “Customizing Effects with the
Effect Editor.”
-A multilayer segment effect, such as the Picture-in-Picture
effect, is applied to the top layer or a middle layer of segments
that contain two or more video tracks that will be played
simultaneously. For more information on techniques for
creating multilayer effects, see Chapter 4, “Creating Layered
and Nesting Effects.”
•Title effects are created with the Title tool and edited onto their
own layers in a sequence. For more information on techniques for
creating and editing title effects, see Chapter 5, “Creating Titles
and Graphic Objects” and Chapter 6, “Editing with Titles.”
•Motion effects (freeze frame, variable speed, and strobe) are
created by manipulating the playback characteristics of a clip of
footage. For more information on techniques for creating motion
effects, see Chapter 2, “Basics of Effects Editing.”
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Effects Creation Tools
The following chart presents the basic tools used to create effects.
Sources of
effects:
Effect Palette
Apply transition and
segment effects
directly to tracks.
Effects editing in default
editing mode:
Motion Effect dialog box
Title tool
Title and motion
effects appear first
as clips in the bin.
Edit effect
clips into
the Timeline.
Effects adjustment
in Effect mode:
Effect Preview monitor:
Allows you to preview an
effect, manipulate keyframes, and manipulate
wire-frame representations of the effect.
Effect Editor:
Allows you to
adjust effect
parameters.
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About Real-Time and Downstream Key Effects
Many effects are real time, which means you do not have to render
them before you play them. Other effects require rendering before you
can play them back at full speed. You can preview effects that are not
real time before rendering.
Titles and graphic elements imported with an alpha channel display as
downstream key (DSK) effects. DSK effects play in real time. See
“Downstream Keying of Titles and Graphics” on page 235.
About Real-Time Effects
A real-time effect is an effect that you can apply to a sequence and play
without having to render it first (rendering takes time and disk space).
A real-time effect has a small orange dot within the effect icon in the
Timeline. Effects that must be rendered have a small blue dot within
the effect icon in the Timeline. Effects that might need to be rendered
have a small green dot within the effect icon in the Timeline. For more
information, see “Understanding the Color Coding” on page 27.
Playing Real-Time Effects
You can create a sequence that has any number of real-time and
non-real-time effects. The following maximum capabilities for
NewsCutter determine the playback of real-time effects:
•You can play one segment effect at a time.
•You can add a maximum of one additional DSK title or graphic.
The DSK Title effect can be either a static title or graphic.
•You can add and render a Dissolve effect between adjacent
segments containing real-time segment effects, and the track will
continue to play in real time.
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The following sequence demonstrates the maximum real-time
playback capabilities of the system.
DSK Title effect
Nested Mask effect
Color effect
Playing Complex Effect Combinations
If your sequence contains a combination of effects that exceeds the
real-time playback capabilities of the system, you can achieve
successful playback by using the following additional techniques:
•Render some or all of the effects. For more information, see
“Rendering Effects” on page 113.
n
Consider rendering transition effects such as the Dissolve effect or wipe
effects first; they take less time to render than titles or segment effects. The
ExpertRender option can help to identify which effects NewsCutter needs to
render to achieve real-time playback. This option can minimize rendering and
improve playback. For more information, see “ExpertRender” on page 124.
•Use the Submaster effect to reduce the amount of rendering. For
more information, see “Submaster Editing” on page 157.
•Perform a mixdown of video tracks. For more information, see
“Performing a Video Mixdown” on page 162.
If your sequence contains multiple short clips with multiple real-time
effects or images with a high level of complexity, you might exceed the
capacity of the hardware to play these in real time, even if these effects
would not normally exceed the real-time playback capabilities of your
22
system. This results in Video Underrun error messages. In this case,
render some of the intermediate effects before playing the sequence.
Combined Rendering of Real-Time and Non-Real-Time Effects
The combination of real-time and non-real-time effects on the same
video track can show different results, depending on when you render
the non-real-time effects:
•If you render non-real-time segment effects after you apply a
real-time transition effect, the sequence plays in real time.
•If you render non-real-time segment effects and then apply a
real-time transition effect, the transition effect plays as a cut.
Displaying Effects On-the-Fly
The Render On-the-Fly option allows you to play back real-time
effects and preview non-real-time effects frame by frame, immediately
after applying them.
To display effects immediately during effects editing:
tChoose Render On-the-Fly from the Clip menu.
Interrupting Render On-the-Fly
Using Render On-the-Fly can slow down your editing of a sequence. If
you are compositing and then change the frame you are monitoring,
the system automatically renders the single frame.
Instead of waiting for the system to finish rendering, you can interrupt
Render On-the-Fly. Interrupting Render On-the-Fly interrupts only the
rendering of non-real-time effects.
23
To interrupt Render On-the-Fly, do one of the following:
tDrag the position indicator in the Timeline.
While you are dragging, the sequence appears in the
Source/Record monitor as it would if Render On-the-Fly were not
selected from the Clip menu.
tIf you click in the Timeline and the system begins to render,
quickly move to another location in the Timeline. This interrupts
the rendering process until you release the mouse button.
About Downstream Key Effects
By default, NewsCutter creates all titles using its DSK capabilities.
Graphic elements imported with an alpha channel are also created as
DSK clips.
Downstream keying allows you to add uncompressed titles or
graphics over multiple streams of compressed media and continue to
play the sequence in real time. You see the real benefits of downstream
keying during editing of Title Effect clips into sequences.
n
For information about editing with DSK titles, including descriptions of
various restrictions and playback capabilities, see Chapter 6.
Using the Effect Palette
The Effect Palette is a window that lists all the effects available on
NewsCutter. Other effects that are available on your system depend
on what third-party plug-ins you might have installed. You select
transition and segment effects from the Effect Palette.
The left side of the Effect Palette displays a scrollable list of effect
categories that includes the following standard categories as well as
categories for any third-party plug-ins you have installed.
24
The effect categories list also includes open bins when those bins
contain effect templates or other kinds of effect files.
•AVX Sample
•Blend
•Box Wipe
•Conceal
•Edge Wipe
•Image
•Key
•L-Conceal
•Matrix Wipe
•Peel
•Push
•Sawtooth Wipe
•Shape Wipe
•Spin
•Squeeze
The right side of the Effect Palette shows a list of the individual effects
that are available for the currently selected effect category. Each effect
has its own effect icon. Effects that are or might be playable in real time
appear with a color-coded dot.
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Displaying the Effect Palette
To display the Effect Palette:
You can also display the
Effect Palette by
pressing Ctrl+8 on your
keyboard.
Scrollable list of
effect categories
1. Choose Effect Palette from the Tools menu.
The Effect Palette opens.
2. Click an effect category on the left side of the Effect Palette to
select it and display effects in that category on the right side.
Resizing the Effect Palette
Blend effect
choices
You can resize the Effect Palette to display more effects when a
particular category includes a long list of icons.
To resize the Effect Palette:
tClick any corner or side of the palette, drag the palette to the size
you want, and then release the mouse button.
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Understanding the Color Coding
Effect icons in the Effect Palette and in the Timeline display
color-coded dots to help you determine whether an effect is real-time
or non-real-time. After opening the Effect Palette, you will notice that:
•Real-time effects are preceded by an orange dot. These effects take
advantage of fast rendering.
•Real-time effects that might not be playable in real time due to their
position in a sequence or the options available on your system are
preceded by a green dot. These effects take advantage of fast
rendering.
n
n
The Submaster effect has a green dot in the Effect Palette. Other effects might
show a green dot in the Timeline, based on the complexity of the sequence.
•Non-real-time effects have no dot in the Effect Palette. In the
Timeline, the effect icon contains a blue dot until you render the
effect.
When you edit a non-real-time effect into a sequence, the effect icon appears
with a blue dot in the Timeline, which indicates that you must render the
effect to play it in real time. After you render the effect, the effect icon appears
in the Timeline without a dot.
All color-coded dots disappear in the Timeline when you render
effects.
A real-time effect might not be playable in real time for a variety of
reasons involving the complexity of the sequence and the real-time
effects capabilities of the system. For more information, see “About
Real-Time and Downstream Key Effects” on page 21.
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Displaying Effect Templates
Effect templates allow you to save the parameters of an effect to a bin
and use them again to create or modify other effects.
In addition to displaying all the standard effects, the Effect Palette
allows you to view and access effect templates stored in open bins. The
names of open bins containing effects appear in a list below the effect
categories.
To view the effect template:
1. Open the bin containing the effect templates.
2. Choose Effect Palette from the Tools menu.
The Effect Palette opens.
3. Click the bin name below the effect category list to view the effect
templates in the bin.
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Effect category list
Bin name containing
effect templates
Effect templates
For example, in the preceding illustration, the bin named Effects
contains a series of effect templates using the Picture-in-Picture,
Mask, and Superimpose effects.
n
The Effect Palette also displays other effect files, such as matte key clips and
titles.
Whenever you open or close a bin or whenever you drop an effect into
a bin, NewsCutter automatically updates both lists. Once a template
appears on the right side of the Effect Palette, you can apply it as you
would any other effect.
Playing Effects in a Sequence
Some effects in NewsCutter are non-real-time, which means you must
render them before you play them. You can preview non-real-time
effects frame by frame by using Render On-the-Fly, as described in
“Displaying Effects On-the-Fly” on page 23, or you can play the
effects after rendering them explicitly. For more information see
“Rendering Effects” on page 113.
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You can also use Play Preview in the Effect Editor to preview effects
before rendering by using their outline form. An effect’s outline is a
wire-frame representation of the effect’s position, scale, and path of
motion. See “Playing a Preview of an Effect” on page 112.
Using Third-Party Plug-in Effects
You can use third-party plug-in effects to add new effects to
NewsCutter or to update existing effects. Third-party plug-in effects
are compatible with the Avid Visual Extensions (AVX
AVX is a cross-platform software architecture designed to allow
software effect modules to be dynamically linked with a host
application such as an Avid editing system.
After you install third-party plug-ins, the effects appear in the Effect
Palette in their own category (usually the name of the plug-in vendor).
Individual effects all have a plug icon. The plug icon also appears in
the Timeline when you apply a third-party plug-in effect. After you
create an effect, you can save it as an effect template and reapply the
template to other transitions or segments in your sequence. Effect
templates also appear in a special section at the bottom of the Effect
Palette.
™
) standard.
For more information on AVX plug-ins, see Appendix A.
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