1.1

multimedia

multimedia refers to any type of application that combines text with graphic, audio, animation, video and/or virtual reality ( that is delivered by computer or other electronics )

elements of multimedia

1. text

2. graphic

3. audio

4. video

5. animation

text (definition)

most basic element of multimedia that contain words use for written words

type of texts

1. serif

2. san serif

purpose / importance (text)

• use to describe information

• use to express ideas

usage (text)

content (body text of the book) & caption ( to give description to a picture or diagram )

sources ( text )

using input device to input text ( keyboards )

file format (text )

• .txt

• .doc

• .docx

example ( text )

• microsoft word

• Libreoffice writter

• google docs

graphic ( definition )

digital representation of non-text information such as drawing or photo.

purpose/importance ( graphics )

• to illustrate ideas through still pictures

• to direct attention to the topic

usage ( graphic )

• main focus ( logo )

• object (drawing)

sources ( graphics ) // hardware used to input

• scanning images using scanner

• capturing own images using digital camera.

file format ( graphics )

• .gif

• .jpg

• .png

example (graphics )

• adobe photoshop ( bitmap )

• adobe illustrator ( vector )

• vectr ( vector )

type of graphics

1. bitmap ( adobe photoshop )

2. vector ( adobe illustrator , vectr )

bitmap explanation

composed of many tiny parts of pixels

vector explanation

consist of shapes called object drawn usinv mathematical formula

definition of video

product of recording moving images by using digital camera or video devices .

purpose/importance (video)

• enhance real experience

usage ( video )

a video on tsunami brings user on tsunami event

sources ( video )

• capturing live actions using a video camera or digital camera.

type of videos

1. analog

2. digital

analog explain

analog video can be transferred in a variety of formats

digital explains

digital video can be transferred in two ways (ex : HDTV )

file format ( video )

• .mp4

• .mpeg

definition of audio

vibration in the air that create waves of pressure

purpose/importance ( audio )

• to attract the users

• to influence user’s emotion and thoughts

usage ( audio )

• narration

• warning and reminders

sources ( audio )

• recording of human voice, singing voices and the instruments

• download from legal websites

• capture audio

capture audio

• input : microphone , music

• output : headphones

example of audio

• spoken word

• voice

• music

• noise ( unwanted sound )

example of apps for audio

• adobe audition

• sony sound forge

• audacity

file format (audio )

• .mp3

• .au

type of audios

1. analog - original sound signal

2. digital - computer stores the sound

definition of animation

appearance of motion created by displaying a series of still images in sequence

purpose/importance ( animation )

• to present complex concept more briefly and easily

usage ( animation )

• storytelling

• displaying data

sources ( animation )

• downloading from legal website

file format ( animation )

• .gif

• .max

example (animation )

• Microsoft GIF Animator

• Animator

• Blender

types of multimedia application representation

1. Two-Dimensional (2D) design

2. Three-dimensional (3D) design

3. four-dimensional (4D) design

definition of 2D

represents an object with just two dimensions ( length and height)

axis of 2Ds

• x-axis

• y-axis

2Ds file size

relatively smaller than 3D and 4D

usage

regular films

(2D) rendering(combining) time

relatively shorter time

2Ds shape (geometry)

flat

definition of 3D

represents an object with just three dimensions (length, height and width)

axis ( 3D )

• x

• y

• z

file size (3Ds)

relatively smaller than 4D but larger than 2D

usage (3D)

use optical illusion to create the representation of a three-dimensional film

3Ds rendering (combining) time

relatively longer than 2D but shorter time than 4D

shape (3D)

life-like

definition of 4D

represents an abject with for dimensions (length, Width, height, time/motion )

axis ( 4D )

• x

• y

• z to a space with four dimensions

file size (4D)

relatively larger than 2D and 3D

usage

A 3D film with the added effects that take place in specially designed theatres

4Ds rendering ( combining ) time

take longer hour

shape (geometry)

abstract concept, polychora (4-polytopes) made of polyhedra (made of two dimensional polygons)