TO CONTENTS

Glossary

annotation: Alphanumeric information associated with your videos.
clip: Segment of video; an arbitrary segment of video defined simply by an in-time and an out-time within some larger video element.
Closed Caption text: ASCII text that is encoded within the vertical blanking interval of an analog video signal. Specialized decoders can extract this text from the signal. European systems use teletext instead of closed-caption.
folder: Collection of clip assets; users can select clips and gather them into a folder. Users can play the contents of a folder sequentially and share folders with other designated guests.
keyframe: A still image that represents one frame of a video.
metadata: Data about data; metadata refers to the data that describes the video content itself.
preview image: Keyframe that represents the content of a video or clip. The preview images defaults to the keyframe closest to the in-time of a video or clip, unless an administrator or editor selects another keyframe as the preview image for a particular video or clip. This is the keyframe that is displayed on the results page.
proxy: Representation of an audio or video asset, usually a low-resolution digital version that can be streamed to desktops. Proxies can technically be any representation of an analog source, including hi-resolution versions, for example: MPEG-2. Proxies provide a user with the capability of viewing or hearing an asset online. Virage uses proxy to mean a digital version of an analog source generated by an encoder. These proxies are typically in MPEG-1, Windows Media, RealVideo, or other compressed video formats.
SMPTE: SMPTE is an acronym for Society of Motion Picture and Television Engineers. It refers to a time code developed by the organization that uses the format hh:mm:ss:ff: hours, minutes, seconds, frames. For example, a SMPTE time code of 00:03:29:13 identifies a frame three minutes, 29 seconds, and 13 frames into the video.
storyboard: A set of keyframes extracted from a segment of video that visually represent the content.
timecode: An index or counter used to identify an individual frame of a video; timecode is usually expressed in SMPTE format (hours:minutes:seconds:frames or hh:mm:ss:ff). Timecodes can be written on certain tape formats (like Beta SP) as an independent track of information.
transcript: Text associated with a video or clip. Closed captioning is the most common form of text in the transcript; other types can include speech-to-text translation or teletext.
VDF: Virage Description Format; a proprietary file format that Virage uses to identify video metadata.