About Transitions
The visual change from one clip to another is called a transition. To add nuance, texture, or special effects between video clips, Premiere provides a variety of transitions, such as wipes, zooms, and dissolves. The simplest transition is the cut, where the last frame of one clip leads directly into the first frame of the next. The term comes from film editing, where a cut means splicing two shots together. Very often, a cut is the most effective way to move from one scene to the next. Other transitions, however, are useful in setting a mood or adding a creative element to your project.
The transitions included with Premiere typically involve the end of one clip and the beginning of the next. For example, the Cross Dissolve transition might dissolve the last second of one clip into the first second of the next. Some transitions, such as Inset, can involve both clips in their entirety, depending on the desired effect.
Using the Transitions palette
Premiere includes over 75 transitions, which you choose from the Transitions palette. Within the palette, transitions are organized by type, in folders. Each transition is represented by an icon depicting how it works, where A is the first clip and B is the second. To help you choose, you can animate these icons and view brief descriptions. In addition, you can preview the transition effect with actual frames from the two clips involved in the transition.
When creating a Transition, the two separate clips must overlap slightly. When working in A/B Format on the Timeline, one clip goes on Video 1A, and the overlapping clip goes on Video 1B, or vice versa. Then the Transition is dragged onto the Transition portion of the Timeline, and shortened or lengthened as needed.
To preview the Transition, hold down the ALT key on your keyboard, and drag the Timeline Slider over the transition to preview. Make adjustments until you are satisfied with the transition, then click on the Transition area on the Timeline to select it, and press RETURN on your keyboard. This RENDERS the Transition.
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About Transparency
In video or film, transparency allows one clip to show through another, creating composites, transitions, or special effects. The opacity of a clip or portion of a clip determines its level of transparency. At 100% opacity, an image contains no transparency at all; at 0% opacity, the image is completely transparent, allowing other clips to show through. At other percentages, the image is partially transparent, allowing other underlying images to be visible at the same time. The brightness values of a clip's alpha channel, an additional grayscale or monochrome channel in an RGB image, also determine the clip's opacity.
Certain parts of clips can be made transparent using tools called keys. A key finds pixels in an image that match a specified color or brightness and makes those pixels transparent or semitransparent, depending on the type of key. This process is called keying, or keying out the color. Keys can also use a clip's alpha channel to create transparency.
You can create transparency in a clip only after you have placed it in a superimpose track. By default, each new project includes one superimpose track, called Video 2. You can add up to 97 superimpose tracks.
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Fading
In addition to making portions of a clip transparent with keys, you can also adjust the opacity of the entire clip to fade it in or out. You can use fading to create additional transitional effects or to create simple superimposing.
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Using the Video Opacity rubberband
When you place a clip in a superimpose track, an Opacity rubberband, appears beneath it (you must expand the superimpose track to display the Opacity rubberband). The Opacity rubberband specifies the opacity of the entire clip. By adding handles, you can adjust the opacity of a clip.
The Opacity rubberband adjusts opacity after any keys have been applied. In other words, moving the Opacity rubberband adjusts the opacity for opaque, transparent, and semitransparent regions in the clip.
To adjust fading:
1 Place a clip in a superimpose track. If necessary, click the triangle to the left of the track name to expand the track, or Option-click (Mac OS) or Alt-click (Windows) the triangle to expand all the superimpose tracks at once.
2 Click the red Display Opacity Rubberbands icon () to display the opacity rubberband.
3 With the selection tool selected, position the pointer over the top of the Opacity rubberband. The pointer changes to a pointing finger with red plus (+) and minus (-) signs.
4 Click to create a handle (a small red square), and drag the handle up or down to adjust the fading. The opacity percentage appears in the Info palette and updates as you drag a handle. Press the Shift key with a handle selected to view the opacity percentage and to change the percentage in 1% increments for finer gradations.
When the handle is at the top of the panel, the image is fully opaque; when the handle is at the bottom of the panel, the image is transparent. The line between two handles indicates the direction, length, and speed of the adjustment. The steeper the angle, the more sudden the change.
Clicking the Opacity rubberband to create an opacity handle (left) and dragging it to decrease opacity (right)
5 Repeat the above step to create as many handles as needed.
6 To delete a handle, drag it out of the superimpose track.
To create two opacity handles:
1 Select the fade scissors tool ().
2 Click the Opacity rubberband where no handles exist. Two adjacent handles appear.
3 Drag the new handles up or down to make a sharp increase or decrease in opacity.
To adjust the opacity of a specific segment:
1 Select the fade adjustment tool ().
2 Drag the line segment up or down. You can set the opacity of the entire clip to a constant value by adjusting the opacity rubberband in this manner before creating handles.
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Compositing
Special effects for film or video are often created by shooting a scene against a color screen. After the footage is digitized, the color screen is then made transparent with a key. The first scene, or clip, is placed over a second clip, which usually includes some sort of background scene. The result forms a composite, where the background is visible wherever the first clip is transparent, making the first clip appear to belong with the background.
Composites are often used in feature films where, for example, an actor appears to dangle from a helicopter or appears to be floating in outer space. In this case, the actor is shot in an appropriate position against a color screen, and after making the color transparent, the actor's scene is superimposed over the backdrop. Color screens are usually blue or green because these colors are relatively absent from skin or hair color.
The visual change from one clip to another is called a transition. To add nuance, texture, or special effects between video clips, Premiere provides a variety of transitions, such as wipes, zooms, and dissolves. The simplest transition is the cut, where the last frame of one clip leads directly into the first frame of the next. The term comes from film editing, where a cut means splicing two shots together. Very often, a cut is the most effective way to move from one scene to the next. Other transitions, however, are useful in setting a mood or adding a creative element to your project.
The transitions included with Premiere typically involve the end of one clip and the beginning of the next. For example, the Cross Dissolve transition might dissolve the last second of one clip into the first second of the next. Some transitions, such as Inset, can involve both clips in their entirety, depending on the desired effect.
Using the Transitions palette
Premiere includes over 75 transitions, which you choose from the Transitions palette. Within the palette, transitions are organized by type, in folders. Each transition is represented by an icon depicting how it works, where A is the first clip and B is the second. To help you choose, you can animate these icons and view brief descriptions. In addition, you can preview the transition effect with actual frames from the two clips involved in the transition.
When creating a Transition, the two separate clips must overlap slightly. When working in A/B Format on the Timeline, one clip goes on Video 1A, and the overlapping clip goes on Video 1B, or vice versa. Then the Transition is dragged onto the Transition portion of the Timeline, and shortened or lengthened as needed.
To preview the Transition, hold down the ALT key on your keyboard, and drag the Timeline Slider over the transition to preview. Make adjustments until you are satisfied with the transition, then click on the Transition area on the Timeline to select it, and press RETURN on your keyboard. This RENDERS the Transition.
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About Transparency
In video or film, transparency allows one clip to show through another, creating composites, transitions, or special effects. The opacity of a clip or portion of a clip determines its level of transparency. At 100% opacity, an image contains no transparency at all; at 0% opacity, the image is completely transparent, allowing other clips to show through. At other percentages, the image is partially transparent, allowing other underlying images to be visible at the same time. The brightness values of a clip's alpha channel, an additional grayscale or monochrome channel in an RGB image, also determine the clip's opacity.
Certain parts of clips can be made transparent using tools called keys. A key finds pixels in an image that match a specified color or brightness and makes those pixels transparent or semitransparent, depending on the type of key. This process is called keying, or keying out the color. Keys can also use a clip's alpha channel to create transparency.
You can create transparency in a clip only after you have placed it in a superimpose track. By default, each new project includes one superimpose track, called Video 2. You can add up to 97 superimpose tracks.
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Fading
In addition to making portions of a clip transparent with keys, you can also adjust the opacity of the entire clip to fade it in or out. You can use fading to create additional transitional effects or to create simple superimposing.
--------------------------------------------------------------------------------
Using the Video Opacity rubberband
When you place a clip in a superimpose track, an Opacity rubberband, appears beneath it (you must expand the superimpose track to display the Opacity rubberband). The Opacity rubberband specifies the opacity of the entire clip. By adding handles, you can adjust the opacity of a clip.
The Opacity rubberband adjusts opacity after any keys have been applied. In other words, moving the Opacity rubberband adjusts the opacity for opaque, transparent, and semitransparent regions in the clip.
To adjust fading:
1 Place a clip in a superimpose track. If necessary, click the triangle to the left of the track name to expand the track, or Option-click (Mac OS) or Alt-click (Windows) the triangle to expand all the superimpose tracks at once.
2 Click the red Display Opacity Rubberbands icon () to display the opacity rubberband.
3 With the selection tool selected, position the pointer over the top of the Opacity rubberband. The pointer changes to a pointing finger with red plus (+) and minus (-) signs.
4 Click to create a handle (a small red square), and drag the handle up or down to adjust the fading. The opacity percentage appears in the Info palette and updates as you drag a handle. Press the Shift key with a handle selected to view the opacity percentage and to change the percentage in 1% increments for finer gradations.
When the handle is at the top of the panel, the image is fully opaque; when the handle is at the bottom of the panel, the image is transparent. The line between two handles indicates the direction, length, and speed of the adjustment. The steeper the angle, the more sudden the change.
Clicking the Opacity rubberband to create an opacity handle (left) and dragging it to decrease opacity (right)
5 Repeat the above step to create as many handles as needed.
6 To delete a handle, drag it out of the superimpose track.
To create two opacity handles:
1 Select the fade scissors tool ().
2 Click the Opacity rubberband where no handles exist. Two adjacent handles appear.
3 Drag the new handles up or down to make a sharp increase or decrease in opacity.
To adjust the opacity of a specific segment:
1 Select the fade adjustment tool ().
2 Drag the line segment up or down. You can set the opacity of the entire clip to a constant value by adjusting the opacity rubberband in this manner before creating handles.
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Compositing
Special effects for film or video are often created by shooting a scene against a color screen. After the footage is digitized, the color screen is then made transparent with a key. The first scene, or clip, is placed over a second clip, which usually includes some sort of background scene. The result forms a composite, where the background is visible wherever the first clip is transparent, making the first clip appear to belong with the background.
Composites are often used in feature films where, for example, an actor appears to dangle from a helicopter or appears to be floating in outer space. In this case, the actor is shot in an appropriate position against a color screen, and after making the color transparent, the actor's scene is superimposed over the backdrop. Color screens are usually blue or green because these colors are relatively absent from skin or hair color.
posted by MJ at 3:06 PM
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