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Unit 6 Multimedia

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Introduction

The term “multimedia” is made up of two words: “multi” and “medium.” It is defined as a variety of media that can be used to deliver digital content.

Multimedia is the combination of two more media such as text, graphics, audio, and video which makes it easy to navigate, interact and communicate.

Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (or video), animation, audio and any other media where every type of information can be represented, stored, transmitted and processed digitally.

Components of multimedia

  1. Text

• Text is the most common medium used to communicate information.

• It has alphanumeric characters, in addition to special characters.

• It involves the use of text types, sizes, fonts, colours and background colours.

• Multimedia applications support linked content, through Hypertext.

• Text in SMS, FAX, Email are examples of this element in Communication.

• Common file types include: TXT, DOC, DOCX, PDF.

  1. Images/ Graphics

• Images/Illustrations are the oldest form of media

• They help to illustrate ideas through still pictures.

• There are two types of images – Bitmaps and Vector

• Bitmap images are real images that can be captured from devices such as

cameras.

• Vector graphics are created using software in the computer .

• This multimedia element enables to generate, represent, process, manipulate,

and display pictures.

• Common file types for Images include: JPG, PNG, TIF, BMP

  1. Audio

•The speech, music and sound effects used in multimedia are digital audio.

• Multimedia applications use audio or the sound element like, website or

presentation can add audio files from a musical background, or a voiceover /

spoken explanation.

• There are two basic types of audio or sound; analog and digital.

• The original sound signal is termed as Analog audio.

• The digital sampling of the original sound is termed as Digital audio.

• Common file types for Audio include: MP3, WAV, WMA

  1. Video

• Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.

• The video is the running frames of static pictures that means video are generated by capturing maximum number of images in unit time

•Frame per second [FPS] is the term widely used to describe the smoothness of a video. Generally there are 15-25 frames per seconds, to generate smooth movement in video. But 30 and 60 FPS are the widely used standard in different devices. 

• Common file types for Video include AVI, WMV, FLV, MOV, MP4

  1. Animation

• Animation is the process of making a static image to look as if it is moving.

• Animation is the sequence of vector(Computer Generated) images displayed in rapid succession to provide visual effects. These images are computer based images.

• Digital animation can be classified as 2D two dimension and 3D Three

dimension animations.

• GIFs, an abbreviation for graphic image files, are small files that present a

single image or rapidly display a sequence of a few images to give the

appearance of motion.

• AdobeFlash is the most common tool for creating these animations.

• Common file types for Animation include: GIF, FLV

Applications of multimedia:

  1. Education

In the subject of education, multimedia is becoming increasingly popular. It is often used to produce study materials for pupils and to ensure that they have a thorough comprehension of various disciplines. Edutainment, which combines education and entertainment, has become highly popular in recent years. This system gives learning in the form of enjoyment to the user.

  1. Entertainment

The usage of multimedia in films creates a unique auditory and video impression. Today, multimedia has completely transformed the art of filmmaking around the world. Multimedia is the only way to achieve difficult effects and actions.

The entertainment sector makes extensive use of multimedia. It’s particularly useful for creating special effects in films and video games. The most visible illustration of the emergence of multimedia in entertainment is music and video apps. Interactive games become possible thanks to the use of multimedia in the gaming business. Video games are more interesting because of the integrated audio and visual effects.

  1. Business

Marketing, advertising, product demos, presentation, training, networked communication, etc. are applications of multimedia that are helpful in many businesses. The audience can quickly understand an idea when multimedia presentations are used. It gives a simple and effective technique to attract visitors’ attention and effectively conveys information about numerous products. It’s also utilised to encourage clients to buy things in business marketing.

  1. Technology & Science

In the sphere of science and technology, multimedia has a wide range of applications. It can communicate audio, films, and other multimedia documents in a variety of formats. Only multimedia can make live broadcasting from one location to another possible.

It is beneficial to surgeons because they can rehearse intricate procedures such as brain removal and reconstructive surgery using images made from imaging scans of the human body. Plans can be produced more efficiently to cut expenses and problems.

  1. Fine Arts

Multimedia artists work in the fine arts, combining approaches employing many media and incorporating viewer involvement in some form. For example, a variety of digital mediums can be used to combine movies and operas.

Digital artist is a new word for these types of artists. Digital painters make digital paintings, matte paintings, and vector graphics of many varieties using computer applications.

  1. Engineering

Multimedia is frequently used by software engineers in computer simulations for military or industrial training. It’s also used for software interfaces created by creative experts and software engineers in partnership. Only multimedia is used to perform all the minute calculations.

 Advantages of multimedia

1. Improved Learning and Retention

One of the main advantages of multimedia is its ability to improve learning and retention. Research has shown that multimedia presentations are more effective at engaging students and helping them to retain information than traditional methods such as lectures or textbooks. Multimedia helps in learning because multimedia presentations use a combination of different media, which can appeal to different learning styles and make the material more interesting and engaging.

2. Enhanced Communication

Multimedia can also be used to enhance communication and make it more effective. It allows people to convey complex ideas and concepts through various media, such as text, audio, and video. Multimedia can also make it easier for people to understand the message and can help to engage the audience more effectively. Multimedia can be an effective tool for communication, as it allows for the integration of various forms of media, such as text, audio, and video. Multimedia can help make complex concepts easier to understand and add a visual element to a presentation, which can be more engaging for the audience.

3. Increased Accessibility

Multimedia can also increase accessibility, particularly for people with disabilities. For example, multimedia presentations can be made more accessible for people with hearing or vision impairments through closed captions, audio descriptions, and other features.

4. Increased Interactivity

Multimedia can also increase interactivity and engage the audience more effectively. For example, multimedia presentations can include interactive elements such as polls, quizzes, and games, making the material more engaging and encouraging people to participate.

5. Improved learning outcomes

Multimedia has improved learning outcomes, especially compared to traditional instruction methods. It allows learners to engage with content more interactively and engagingly. Multimedia also allows learners to learn at their own pace, which can be especially beneficial for visual or auditory learners.

6. Increased efficiency

Multimedia can save time and improve efficiency in a variety of contexts. For example, in business, multimedia presentations can be used to communicate complex ideas or products to clients more efficiently. In education, multimedia can be used to deliver course materials, allowing students to access information at their own pace and on their own time.

7. Greater Flexibility

Multimedia offers greater flexibility than traditional media, as it can be accessed on various devices and platforms. The flexibility means that people can access multimedia content at a convenient time and place for them, which can be particularly useful for those who are busy or have limited time.

8. Greater impact

Multimedia can impact the audience more, as it can appeal to multiple senses and engage the viewer in a more immersive way. Multimedia can be especially useful in marketing and advertising, as it can help to create a more memorable and effective message.

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