- Action safe
The area inside a border that is five percent smaller than the overall size of the video frame. Most of the time, anything in your video image that's outside of this border will not be displayed on a video screen.
- Add Edit
Working like the Razor Blade tool, adds an edit point to all clips in the Timeline at the current position of the playhead.
- A/D converter box
Equipment that changes an analog signal into a digital signal.
- AIFF (Audio Interchange File Format)
Apple's native uncompressed audio file format created for the Macintosh computer, commonly used for the storage and transmission of digitally sampled sound.
- Alpha channel
An image channel in addition to the R, G, and B color channels that is used to store transparency information for compositing. In Final Cut Pro, black represents 100 percent transparent, and white represents 100 percent opaque.
- Ambience
A type of sound that includes background room noise, traffic noise, and atmospheric sound effects.
- Analog
A signal that consists of a continuously varying voltage level, measured on a Waveform Monitor, which represents video and audio information. Analog signals must be converted to digital signals (digitized or captured) for use in Final Cut Pro. VHS and Beta SP are both analog tape formats.
- Anamorphic
An image shot in a widescreen format and then squeezed into 4 x 3 frame size. When played back in Final Cut Pro, the image is played wide screen.
- Anchor point
In the Motion tab, the point that is used to center changes to a clip when using motion effects. A clip's anchor point does not have to be at its center.
- Animation
The process of changing any number of variables such as color, audio levels, or other effects over time using keyframes.
- Aspect ratio
The ratio of the width of an image to its height on any viewing screen. Standard TV has an aspect ratio of 4:3; HDTV's is 16:9.
- Attributes
All of the unique settings that have been applied to either audio or video clips.
- Audio meters
A graphic display of the audio level (loudness) of a clip or sequence. Used to set incoming and outgoing audio levels and to check for audio distortion and signal strength.
- Audio mixing
The process of adjusting the volume levels of all audio clips in an edited sequence, including the production audio, music, sound effects, voice-overs, and additional background ambience, to turn all of these sounds into a harmonious whole.
- Audio sample rate
The rate or frequency at which a sound is sampled to digitize it. 48 kHz is the standard sampling rate for digital audio; CD audio is sampled at 44.1 kHz.
- Audio waveform
A graphical representation of the amplitude (loudness) of a sound over a period of time.
- Autosave Vault
A function to automatically save backup copies of all your FCP open projects at regular intervals. It must be turned on, and you can specify the intervals.
- AVI
A PC-compatible standard for digital video no longer officially supported by Microsoft but still frequently used. AVI supports fewer codecs than QuickTime.
- Axis
An imaginary straight line (horizontal, vertical, 3D diagonal) along which an object can move or rotate in space.
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