ITM 207 Chapter Notes - Chapter 3: Huffman Coding, Wav, Sound
24 Feb 2017
School
Department
Course
Professor
Document Summary
Information: data that has been organized or processed in a useful manner. Multimedia: several different media types; all stored as binary digits (bits) Data compression: reducing the amount of space needed to store a piece of data. Bandwidth: the number of bits or bytes that can be transmitted from one place to another in a fixed amount of time. Compression ratio: the size of the compressed data divided by the size of the uncompressed data. Lossless compression: a data compression technique in which there is no loss of information. Lossy compression: a data compression technique in which there is a loss of information. Computers are finite and represented enough of the world to satisfy our computational needs and our senses of sight and sounds. Example: mercury thermometer continue to rise in direct proportion of the temperature. Digitize: the act of breaking information down into discrete pieces.
