Example image of eyePlorer eyePlorer map for 'Data compression': Bit Code Computer science Encoding Information theory Information Sender Bandwidth (computing) Hard disk drive Lossy compression Lossless data compression Fidelity Psychoacoustics Luminance JPEG Encryption Run-length encoding Bandwidth compression Computer network Executable compression Digital camera Image compression DVD MPEG-2 Video codec Video compression Audio compression (data) Audio signal processing Speech coding Audio codec Voice over Internet Protocol Algorithmic information theory Rate–distortion theory Claude Shannon Coding theory Cryptography LZ77 and LZ78 DEFLATE Gzip PKZIP Portable Network Graphics Lempel–Ziv–Welch Huffman coding Cabinet (file format) LZX (algorithm) Arithmetic coding Jorma Rissanen DjVu JBIG Dasher