Multimedia Technology Fundamentals
Multimedia Technology
Test point 7 graphics/image processing software
Graphics/Image File Formats
• BMP
• Standard bitmap format under windows system
• uncompressed
• JPEG (Joint Photographic Experts Group)
• Lossy compression format, the number of colors up to 24 bits, widely used in the homepage or picture library on the Internet
• PSD
• For Photoshop only
• GIF
• 8-bit image files, which are supported by almost all software, combine multiple images into one file, and form animation effects, and can only handle 256 colors
• PCX
• Compression
• CDR
• Vector Graphics
• DXF
• Architectural Preferred
• TIFF
• Full Color Mode Storage for RGB
• EPS
• Vector Graphics
• AI
• Vector
Graphics Graphics/Image Processing Software
• photoshop
• corelDRAW
• illustrator
• freehand
• ...
test point 9 audio processing software
audio file format
• WAV
• Windows default format, uncompressed
• WMA
• Voice Recorder Audio Format from Microsoft•
• MP3
• Lossy compressed formats
• MIDI (Musical Instrument Digital Interface)
• command
• International standard
• AIFF
• Mac Standard Audio
• AAC
• RealMedia
• WindowsMedia
• RA
audio processing software
• soundForge
• audition
• glodwave
• audio converter
test point 8 video processing software
video file format
• AVI
• Audio/Video interlaced format
• MOV
• Apple Inc. founded
• Industry standard
• MPEG (Moving Picture Experts Group)
• International standard
• Lossy compression
• ASF
• Founding of Microsoft Corporation
• WMV
• RM
video processing software
• Premiere
• after effects
• media studio
• combustion
• movie maker
• Ulead video studio
test point 10 animation processing software
animation format
• FLC
• MMM
• GIF
• SWF
animation processing software
• flash
• GIF Animator
• 3D Studio
• Maya
The composition of the multimedia computer system
Test point 4 Multimedia computer system
A multimedia computer system refers to a computer system capable of processing text, images, graphics, animation, audio, video and other media, that is, a computer with multimedia functions.
multimedia computer hardware
multimedia computer software
Test point 5 Multimedia personal computer hardware system
Multimedia Personal Computer (MPC)
Computer hardware, sound and video processor, sound card, audio card, interactive control interface (USB interface)
Test point 6 Multimedia personal computer software system
multimedia operating system
• The heart of the software system
multimedia authoring tool
Multimedia material editing software
multimedia application software
Overview of Multimedia Technology
Test point 1 Media and digital multimedia technology
sensory media
• Directly act on human sensory organs, such as language, text, speech, sound, image, graphics, animation, etc.
express media
• Media developed to convey sensory media. Generally described in coded form
display media
• Also known as presentation media, it is the media for information input and output, such as keyboards, mice, scanners, microphones, cameras, etc. as input media; monitors, speakers, printers, projectors, etc. as output media
storage media
• Storage refers to media, such as hard disks, U disks, CDs, removable disks, etc. Storage media is also called storage media
transmission media
• Including various wires, cables, optical cables, electromagnetic waves, etc.
Test point 2 Features of digital multimedia technology
diversity
• Diversity refers to comprehensive processing and utilization of diverse media information
Integration
• Integration includes two aspects, the integration of multimedia information, the integration of equipment and software for operating these media information
interactivity
• Interactivity refers to the realization of people's active selection, use, processing and control of information during the dissemination of multimedia information.
• Main features different from traditional information media
real-time
• Multimedia processing and interaction as human sensory systems allow
Test point 3 Media elements in digital multimedia system
Text
Graphic Image
•
Audio
animation
• Store animation file formats FLC, MMM, GIF, SWF
Video
• The most basic unit of video and animation is the frame
• The frame rate of the animation is less than 24 frames per second, while the video is greater than 24 frames per second