Quadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which...

1971 Columbia began producing records in four-channel quadraphonic sound, using the "SQ Quadraphonic" matrix decoding system. These recordings were backward...

decoder. The function is to allow multichannel audio, such as quadraphonic sound or surround sound to be encoded in a stereo signal, and thus played back as...

SQ Quadraphonic ("Stereo Quadraphonic") was a matrix 4-channel quadraphonic sound system for vinyl LP records. It was introduced by CBS Records (known...

films and television commercials. Her career has included works with quadraphonic sound. She has been nominated for a Grammy Award for Best New Age Album...

WNRZ-FM was actually the first FM station to transmit program audio in quadraphonic sound. Brown also designed and built one of the first combination audio...

cabinets to compact units. The 1970s introduced enhancements like quadraphonic sound and technologies like Dolby Pro Logic. This era also saw the rise...

"Analog Quadraphonic Formats". analoglovers.com. "RCA CD-4 QUADRADISCS". QuadraphonicQuad. 2019. Retrieved 2023-02-27. "Quadraphonic Sound Reproduction"...

Scott explains that the album was intended for release in 4-channel quadraphonic sound in 1976. However, at the last minute the record company decided to...

channels or speakers such as quadraphonic and surround sound. Binaural sound systems are also stereophonic. Stereo sound has been in common use since...

the last Stereo-Pak four TRACK Muntz cartridge tapes (vs four CHANNEL quadraphonic) were still being produced at the same time as well as regular Stereo...

also increased. The first sound card solutions were mono. Stereo sound was introduced in the early 1980s, and quadraphonic sound came in 1989. This was shortly...

when KIOI (K-101) in San Francisco successfully transmitted true quadraphonic sound from a single FM station using the Quadraplex system under Special...

Noise-reduction (CX encoding, dbx encoding), starting from 1973 In the 1970s, quadraphonic sound (four-channel) records became available in both discrete and matrix...

to the usual stereo version, the album was also mixed in 4-channel quadraphonic sound in 1976. The 4-channel mix was not used until 2012 when it finally...

Bauer joined CBS where he helped develop the SQ matrix system stereo quadraphonic sound. He went on to become the vice president and general manager of the...

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. The system...

which went to #70 on Billboard's Top 100. The album was prepped for quadraphonic sound, but was left unreleased in this format. The album was produced by...

version the album was also released by RCA Records in a 4-channel quadraphonic sound version in 1975. The album was reissued in 2017 on hybrid Super Audio...

of the Moon. Quadraphonic sound was not a commercial success, partly because of competing and somewhat incompatible four-channel sound systems (e.g....

recordings he made while experimenting with quadraphonic, or four-channel, sound in the 1970s. Zappa prepared quadraphonic mixes of a number of his 1970s albums...

Guercio and Marty Lewis Recorded at Northstar Studios (Boulder, CO.); Quadraphonic Sound Studios (Nashville, TN); Bayshore Recording Studios (Coconut Grove...

cost of ads Quicksort, a sorting algorithm Quadraphonic sound, or "Quadphonic Synthesizer", a matrix quadraphonic gramophone record format developed by Sansui...

Quadraphonic Sound (originally called Quadphonic Synthesizer, and later incorrectly referred to as RM or Regular Matrix) was a phase amplitude matrix 4-channel...

Damage Done" Released April 17, 1972 Recorded February 6, 1971 Studio Quadraphonic Sound Studio, Nashville TN Genre Folk rock country rock Length 3:24 Label...

controlled by a "handler" dressed as a butcher, and a full 360-degree quadraphonic sound system. Mason joined Waters for the Dark Side of the Moon set and...

This is the type of quad setup used by Seeburg jukeboxes that had quadraphonic sound.[citation needed] The Hafler circuit is capable of partially decoding...

The album was originally released in Quadraphonic sound on the CD-4 Quadradisc system and also on Quadraphonic 8-track tape. The album was also released...

four-channel Quadraphonic sound from a standard LP. The channel separation was only 3 dB, but because of the human way of hearing it sounded relatively...

recordings in the UK. These were designed for playback in 4-channel quadraphonic sound. The records were encoded in the QS Regular Matrix system which was...