PICTORIAL COMMUNICATION, e.g. TELEVISION

**Definition:** This place covers:

Television systems

Other pictorial communication

**Glossary:** - television systems: Systems for the transmission and reproduction of arbitrarily composed pictures in which the local light variations composing a picture MAY change with time, e.g. natural "live" scenes, recordings of such scenes such as cinematograph films - CCD: Charge-coupled device, that is, a device made up of semiconductors arranged in such a way that the electric charge output of one semiconductor charges an adjacent one - MPEG: Motion Picture Experts Group; a family of standards used for coding audio-visual information in a digital compressed format - NTSC: National Television System Committee - PAL: Phase alternating line - Picture signal generator: Circuits or arrangements receiving as input an image of a scene and delivering as output an electric signal that contains all the information required to reproduce the image of the scene - Picture reproducer: Circuits or arrangements receiving as input an electric signal characteristic of an image of a scene and producing as output a visual display of that image - SECAM: Séquentiel couleur à mémoire (Sequential Colour with Memory)