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Quatravox was the name of Realistic's synthesized four-channel output version of quadraphonic sound, which used Hafler circuitry to reproduce ambient sounds recorded by the microphones 180° out-of-phase with the intended recording (sounds recorded from opposite the microphone from the performers, i.e., studio echo, audience noise, etc.) and ...
The Realistic Concertmate MG-1 is an analog synthesizer co-developed by Tandy and Moog Music as a basic, low-priced synthesizer to be sold by Radio Shack under their "Realistic" brand. With estimated unit sales of 23,000 from 1982 to 1983, the MG-1 became the best-selling synthesizer ever manufactured by Moog Music, [ 2 ] and is one of the most ...
Phase 4 Stereo was a recording process created by the U.K. Decca Records label in 1961. [1] The process was used on U.K. Decca recordings and also those of its American subsidiary London Records during the 1960s. Phase 4 Stereo recordings were created with an innovative 10-channel, and later 20-channel, "recording console". [2]
3 front channels + 2 rear channels + 3 channels reproduced in the rear in total + 1 LFE channel = 3/2:3.1 The term stereo, although popularised in reference to two channel audio, historically also referred to surround sound, as it strictly means "solid" (three-dimensional) sound. However this is no longer common usage and "stereo sound" almost ...
Sound reinforcement in a large format system typically involves a signal path that starts with the signal inputs, which may be instrument pickups (on an electric guitar or electric bass) or a microphone that a vocalist is singing into or a microphone placed in front of an instrument or guitar amplifier.
Stereo-4, also known as EV (from Electro-Voice) or EV-4, was a matrix 4-channel quadraphonic sound system developed in 1970 by Leonard Feldman and Jon Fixler. [ 1 ] The system was heavily promoted by RadioShack stores in the United States, and some record companies released LP albums encoded in this format.
Schematic drawing of the Grateful Dead's wall of sound. Stanley and Dan Healy and Mark Raizene of the Grateful Dead's sound crew, in collaboration with Ron Wickersham, Rick Turner, and John Curl of Alembic designed the sound reinforcement system in an effort to deliver high-quality sound to attendees of Grateful Dead concerts, which were drawing crowds of 100,000 or more at the time.
Optonica amplifier (SM-3636) and tuner (ST-3636) from 1978. The Optonica brand was created and first launched by Sharp of Japan in 1975 to compete in the high-end audio market along with established brands such as Sansui Electric, Sony, Panasonic, Sanyo, Yamaha, Nakamichi, Onkyo, Fisher Electronics, Technics (brand), Pioneer Corporation, Kenwood Corporation, JVC, Harman Kardon and Marantz.