Multimedia Technology Class 10 Computer Science Chapter 6
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| Multimedia |
Introduction
Multimedia is the technology
of presenting information in a more interesting, effective, and understandable
way. By the use of more than one media such as text, audio, video, picture, and animations, the information can be presented in an interesting and
effective manner. Multimedia is composed of two words “multi” and “media” where
multi means more and media means the way of presenting the information. Thus
multimedia is the technology of presenting information with the combination of
more than one media.
Advantages of multimedia
It helps to share information effectively
Multimedia is interesting and easy to use
It makes teaching and learning effective and easier
It helps to create a virtual environment
It is used to add special effects in movies, games, and in
cartoons
Disadvantages of multimedia
It is expensive
It requires multimedia devices
Skilled manpower is needed to operate a multimedia system
It requires more storage
It's not reachable to all area
Multimedia contents
Multimedia contents are the collection of multimedia information,
files, etc. in the combined form of text, image, audio, videos, and animation. Multimedia
contents are mainly stored in CDs because they are cheaper and high storage
capacity devices. Some of the popular multimedia CDs are Encyclopedia CDs,
TOFEL CDs, IELTS CDs, tutorial and educational CDs, Oxford dictionary CDs, etc.
There are two types of multimedia content:
Interactive
contents: Interactive multimedia contents provide some control and allow two-
way interaction with multimedia. For example, internet.
Non-interactive contents: It does not provide navigation controls and does
not allow two-way interactions with multimedia content. For example, movies.
Multimedia computer
A Multimedia computer is a powerful computer that can handle
all the contents of multimedia such as audio, video, picture, and animation. These
computers are capable of creating, presenting manipulating storing, and
retrieving multimedia content.
Hardware and software required for multimedia.
Hardware
High capacity computer
Sound card
Video card
Multimedia projector,
etc.
Software
PowerPoint
Adobe Photoshop
Corel DRAW
VLC media player, etc.
Components of multimedia
The components of multimedia are listed below:
- Text
- Audio
- Video
- Picture
- Animation
Text
Text is the collection
of letters numbers and symbols for representing information. It is the primary
component of multimedia which can be created and manipulated by multimedia
computer system.
Audio
It is one of the important components of multimedia. It
includes music, speech or other sounds that significantly support our
understanding of information.
Video
Video is the necessary component of multimedia. Images in
motion is called video. It is the recording and displaying of a sequence of
images. A video camera is the most commonly used input device for capturing
videos.
Picture
It is the digital image, drawing, photos that is a very
interesting component. Images help to create more realistic information.
Animation
It is another important and interesting component which deals
with the creation and displaying of a set of images. It presents the sequence
of still images or artwork at a rapid speed that looks like a video.
Application of multimedia
Multimedia can be used in many ways for different purposes.
Multimedia is very popular in education, entertainment, business, industry,
advertisement.
Multimedia in education
At present many schools and colleges are using multimedia in
teaching and learning activities. Multimedia is used to give training and
provide e-books. There is a lot of text and video content of learning
materials available on the internet which can be used to enhance education.
Multimedia in business
Multimedia is used in business for different purposes such as
presentation, training, marketing, advertising, product demos, communications, and
so on. Business presentation is very important in every aspect of a business.
Multimedia in entertainment
Multimedia is widely used in the entertainment industry. It
is especially used to develop special effects in movies and video games. Music and video apps are the most glaring example of the
rise of multimedia in entertainment. The use of multimedia in the gaming
industry made it possible to make interactive games.
Multimedia in advertisement
Multimedia advertising is the process of using animation and graphic design to market
and sell a product or service. Multimedia is used to create and present an effective advertisement for the promotion of business. The major benefit of
multimedia advertisement is that it catches the viewers’ attention very quickly.
Multimedia in internet
Multimedia is used in the internet for presenting information of
the websites very beautifully and effectively.
Virtual Reality
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| Virtual Reality |
Virtual Reality (VR) is a computer-generated environment with scenes
and objects that appear to be real, making the user feel they are immersed in their
surroundings. It is an artificial
environment created with the help of multimedia hardware and software that
looks real. It is used in simulation and 3D animations.
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