A four-speaker surround sound system introduced in the 1970s that never caught on, primarily because of the recording technologies available at that time. Quadraphonic sound used two front and two ...

In the 1970s, four-channel sound appeared but was never popular (see quadraphonic sound). Today, the widely used 5.1 speaker setup is typically a channel-based format. Using channel-based ...

For those reading here not familiar with the history behind “Quadraphonic” sound, it is the arguable grandfather to modern day 5.1 surround and Dolby Atmos immersive audio. In the 1970s, four-speaker, ...

Commercially, quadraphonic sound became available about 1970. However, it has been in use in Europe for electronic music since the 1950s. Today, eight-channel or octophonic systems have superseded ...

Nov. 9----Bolinas resident and pioneering electronic musician Suzanne Ciani performs in quadraphonic sound at 8 p.m. Saturday at the 4 Star Theater at 2200 Clement St. in San Francisco.

Quadraphonic sound, or 4.0 surround sound, utilizes four audio channels connected to four speakers positioned at the corners of a listening space. The multi-tracked audio is mixed dimensional ...

Quadraphonic sound, or 4.0 surround sound, utilizes four audio channels connected to four speakers positioned at the corners of a listening space. The multi-tracked audio is mixed dimensional ...