sound reproduction
81Parametric equalization — Parametric equalizer (or parametric EQ ) is an electronic multi band variable equalizer device used in sound recording and live sound reproduction with Public Address systems ( PA systems ). Parametric equalization devices allow audio engineers… …
82Public address — This article is about audio systems. For IP addresses, see IP address. Horn loudspeakers are often used to broadcast sound to outdoor locations A public address system (PA system) is an electronic amplification system with a mixer, amplifier and… …
83Aleksander Kolkowski — Infobox Musical artist Name = Aleksander Kolkowski Img size = Landscape = Background = non vocal instrumentalist Birth name = Alias = Born = birth year and age|1959 Died = Origin = London, England Instrument = Violin, viola, phonograph,… …
84Victor Orthophonic Victrola — The Victor Orthophonic Victrola first demonstrated publicly in 1925, was the first consumer phonograph designed specifically to play electrically recorded disks. The combination was recognized instantly as a major step forward in sound… …
85Valve audio amplifier — A valve (UK) audio amplifier or vacuum tube (US) audio amplifier is a valve amplifier used for sound recording, reinforcement, or reproduction. Until the invention of solid state devices such as the transistor, all electronic amplification was… …
86loudspeaker — /lowd spee keuhr/, n. 1. any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like. 2. Audio. a. a device for transforming electric signals into audible… …
87Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
88Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
89stage design — Aesthetic composition of a dramatic production as created by lighting, scenery, costumes, and sound. While elements such as painted screens and wheeled platforms were used in the Greek theatre of the 4th century BC, most innovations in stage… …
90Sonic holography — is a proprietary audio filter design developed by Bob Carver and was used extensively in several preamplifier and receiver units built by Carver Corporation in the 1980s and 1990s.The goal of sonic holography is to remove distortions in pitch… …
