| A | B |
|---|
| Sound wave | an audible vibration that travels through air or water. |
| Frequency | Number of waves to pass a point in one second. |
| Amplitude | Distance from rest to crest or rest to trough. |
| Wavelength | Distance from crest to crest. |
| Crest | Point that exhibits maximum amount of upward displacement from the rest position. |
| Trough | Point that exhibits maximum amount of downward displacement from the rest position. |
| Pitch | The quality of the sound determined by the rate of vibration. |
| Sampling | process used to convert analog sound waves into digital data to be used by computers. |
| Sample rate | the number of samples taken per second, often measured in Kilohertz (kHz). |
| Bit rate (Depth) | the number of computer bits process per unit of time. |
| Sample size | the number of bits used to save one sample. |
| Channel | single audio stream consisting of a sequence of samples. |
| Mono | one channel; audio is a single channel, where sound comes from a single direction |
| Stereo | two channels; creates the impression of sound being heard from various directions, as in human hearing. |
| Audio file size | determined by the sample rate, sample size and number of channels used. |
| MP3 | MPEG-1 Audio Layer 3, Popular for music (MP3 Players) Well suited for Internet |
| WAV | Waveform file, Developed by IBM and Microsoft for Windows High Quality (Lossless) |
| OGG | Ogg Vorbis, Well Suited for Internet Popular with Gaming Industry |
| AIFF | Audio Interchange File Format, Developed by Apple High Quality (Lossless) |
| Analog video | video uses a continuous electrical signal to capture footage on a magnetic tape. |
| Digital video | videos that are made up of 1’s and 0’s, binary format, that represent the video image which computers can read. |
| Capture | to record audio, video, or still images as digital data in a file. |
| Frame | a single picture or still shot in a video. |
| Frame rate | the number of video frames played per second. Television- 24 fps |
| Resolution | -number of pixels that can be displayed on a screen. |
| standard definition | (480p (720 x 480) |
| high definition | (720p (1280 x 720), 1080p (1920 x 1080) |
| Preproduction | tasks undertaken before production begins. |
| Brainstorming | producing ideas through spontaneous group discussion. |
| Script writing | the written text for your movie |
| Storyboarding | a sequence of drawings, with directions and sometimes dialog, that represents planned shots for a movie. |
| Casting | finding appropriate people to play the roles of the video. |
| Production | Filming the video |
| Shot Types | Wide, medium, tight |
| Panning | sweeping movement of a camera horizontally across a scene. |
| Zooming | gradually changing from a longer to shorter shot or vice versa. |
| Framing | the process of creating composition in your shots. Follow the Rule of Thirds |
| Capturing Video | importing video from the original recording device. |
| Clips | Small segments of a larger video |
| Trim | To hide parts of a file or clip without deleting them from the original source. |
| Sequence | A variety of wide, medium, and tight video shots edited together. |
| Timeline | Shows the components of the movie such as photos, video, audio clips and titles in the order and timing that they will appear in movie. |
| Soundtracks | a musical recording that accompanies and is frequently synchronized with a video. |
| Sound Effects | Artificially created or enhanced sounds to emphasize content or enhance a creative point in a video. |
| Narration | audio of one or more people that has been recorded to enhance or assist in telling the story for your video. |
| Transitions | The visual movements as one picture, video clip, or title changes to another. |
| Video Effects | Enable you to add special effects to your movie, such as a vintage look or changing a video to black and white. |
| AVI | Audio Video Interleave, Created by Microsoft; Supported by almost all computers using Windows |
| MOV | Movie, Developed by Apple Computer; Cross-Platform; Opens with Apple QuickTime |
| MPEG - 4 | Moving Picture Experts Group,Developed by Moving Pictures Expert Group; Compresses well; Commonly used for the Internet |
| FLV | Flash , Developed by Adobe Systems; Commonly used to deliver video over the Internet by using Flash Player; Used by YouTube, Hulu, |
