Table of contents
1. Audio concept
2. Image concept
3. Multimedia Classification
Classification of media: sensory media, expressive media, expressive media, storage media, and transmission media.
| sensory media |
Refers to the direct use of human sensory organs, the media that poets produce direct sensations |
Sound, Image, Graphics, Animation, etc. |
| express media |
Refers to a kind of media that is artificially researched and constructed for the purpose of processing, processing and transmitting sensory media |
Various encoding methods: text encoding, image encoding and sound encoding |
| display media |
Physical devices that represent media, represent and capture information. |
Keyboard, mouse, microphone, monitor, printer, speaker |
| storage media |
Physical device that stores data |
disk, disc, memory |
| transmission media |
Physical carrier for transferring data |
Electrical cables, optical cables and switching equipment etc. |
4. Data compression
4.1 The concept of redundancy
4.2 Compression algorithm
5. Multimedia Standards
