MULTIMEDIA

MULTIMEDIA

Multimedia is:

• anything that is produced digitally contains two or more of the following:
• Audio, video, text, hypertext, animation, images 

Creating multimedia:

• applications such as PowerPoint creates multimedia
• most applications today allow you t insert images, sound and video

Sound:

• digital sound is generated by a computer and is called MIDI sound
• WAV, mp3, AIFF formats are sounds converted from analogue to digital sounds

Digital Recording:

• it is easy to record analogue or real sound
• you can produce digital sound through pod-casting
• the digital sound changes through your speakers to analogue

Video:

• video is a serious of still images
• a video camera takes pictures quickly to make it a video
• the more frames the better the quality
• the more the frames the larger the file
• video is saved in various file formats it all depends on the application you want play it on
• it also depends on the platform it is played on
• the smaller files often use compression technology. The file is unpacked as it is played on computers

Animation:

• it is a serious of still pictures
• there are 6-12 frames on the net
• often it is looped

Animation Video:

• it doesn’t need to be hand drawn as computers can produce it
• doesn’t have to be a cartoon
• it generates images from mathematical data and produce a serious of still images that are animated

Hypertext:

• text used to be static-printed on a page
• computers text can be hyperlinked to other pieces of text
• readings are no longer linear
• text that allows the reader to click and jump from one page to page, topic to topic is called hypertext
• the other kind is called plain text

Images:

• analogue images are converted to digital images by scanning
• digital image are captured by a computer using peripheral device (web-cam/digital camera)
• digital image can be manipulated (photoshop, paintshop pro)
• you can take a still image and import into animation
• two main areas are print (TIFF) and CD/Internet (JDG which is smaller file)
• you can hyper and animate an image