Lecture4 Video Flashcards
(42 cards)
is the technology of electronically capturing, recording, processing, storing, transmitting and reconstructing a sequence of still images which represent scenes in motion.
Video
technology was first developed for television systems, but has been further developed in many formats to allow for consumer video recording.
Video
can also be viewed on through the Internet as video clips or streaming media clips on computer monitors.
Video
is media that is continuously received by, and normally displayed to, the end-user while it is being delivered by the provider.
STREAMING MEDIA
The distinction is usually applied to media that are distributed over telecommunications networks, as most other delivery systems are either inherently streaming (e.g. radio, television) or inherently non-streaming (e.g. books, video cassettes, audio CDs).
STREAMING MEDIA
The verb ‘to stream’ is also derived from this term, meaning to deliver media in this manner.
STREAMING MEDIA
The word _______ is derived from “web” and “broadcast”
WEBCAST
________ is sending audio and/or video live over the Internet. In essence, _________ can be thought of as broadcasting over the Internet.
WEBCASTING
A ______ uses streaming media technology to take a single content source and distribute it to many simultaneous listeners/viewers.
WEBCAST
What are the Applications of Streaming?
CORPORATE COMMUNICATIONS
DISTANCE LEARNING/E-LEARNING
PRODUCT AND SALES TRAINING
ADVERTISING
ENTERTAINMENT
Using streaming media a webcast can be made from the CEO’s office direct to all the staff, over the corporate WAN/LAN. The VP of Sales can address customers using the company extranet — the opportunities are endless.
CORPORATE COMMUNICATIONS
__________ , often called e-learning, takes a big step forward when you can add video and audio content. One problem that ___________ has always suffered from is a high drop-out rate. In the past it has been limited to communication via e-mail and the telephone. Streaming now presents the opportunity to add video to help to convey facts and information in a far more compelling way. Video can help the student relate to the tutors, giving a boost to the success rates of the courses.
DISTANCE LEARNING/E-LEARNING
For __________ , streaming can replace the traditional slide presentation with a rich media show — slides, video audio, and text — plus the opportunity for interactivity with web meetings.
PRODUCT AND SALES TRAINING
Many surveys have shown that streaming media users spend more online, so they are suitable targets for Internet-delivered ________. Streaming ads are one step further than the banner ___ of the web page. One of the first major applications for ________ was the movie trailer. Streaming is an obvious vehicle, offering on-demand video teasers for upcoming films. The music business has also adopted streaming as part of interactive rich media promotions for new albums.
ADVERTISING
The advent of broadband to the home changes all. With high-performance content delivery networks and ADSL or a cable modem, the viewer can now watch at a quality that is comparable to VHS.
ENTERTAINMENT
5 File Formats
WINDOWS MEDIA
REAL MEDIA
QUICKTIME
MPEG (in particular MPEG-4)
MACROMEDIA FLASH
are short clips of video, usually part of a longer piece. The term is also more loosely used to mean any short video less than the length of a traditional television program.
VIDEO CLIPS
are short _______ format and predominantly found on the internet where the massive influx of new ________ during 2006 has been dubbed as a new phenomenon having a profound impact on both the internet and other forms of media. Sources for __________ include news and sporting events, historical videos, music videos, television programs, film trailers and vlogs.
VIDEO CLIPS
MPEG Standards
MPEG-1
MPEG-2
MPEG-4
This was the first successful standard developed by the multimedia community for audio-visual coding. The standard has long been used for video presentations on CD-ROMs.
MPEG-1
_______ defines a group of Audio and Video (AV) coding and compression standards agreed upon by MPEG (Moving Picture Experts Group). _______ video is used by the Video CD (VCD) format and less commonly by the DVD-Video format.
MPEG-1
_______ is for multimedia CD-ROM presentations
MPEG-1
_______ is the core of most digital television and DVD formats
MPEG-2
A higher resolution, high-quality system for broadcast television, _______ is intended to replace analog composite systems for digital transmission systems.
MPEG-2
