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Quadraphonic sound – PS Audio

    https://www.psaudio.com/pauls-posts/quadraphonic-sound/
    Quadraphonic sound. September 8, 2018. by Paul McGowan. The years 1973 through 1975 saw great changes: our first major recession since World War II and hifi manufacturers declaring two-channel audio wasn’t enough—we needed to double our sound systems. Following the stereo sales halcyon days of the Vietnam War, where container ship …

Quadraphonic Stereo - Engineering and Technology …

    https://ethw.org/Quadraphonic_Stereo
    Quadraphonic Stereo. 4 channels Quadraphonic label. Now more commonly known as surround sound. Engineers in the 1960s reasoned that if two-channel stereo was good, three or more channels would be better. The problem was that radio, records, and tapes could not easily handle more than two channels. But with some clever inventing, engineers ...

QuadraphonicQuad Home Audio Forum

    https://www.quadraphonicquad.com/forums/
    Multichannel sound community forum & for sale classifieds including quadraphonic. Home audio forums for DVD-A & SACD. Forums for label histories & discographies.

Stereo Lab - Quadraphonics and Ambisonics

    http://pspatialaudio.com/quad_ambi.htm
    The QS quadraphonic system was developed by engineer Ryosuke Itoh of Sansui is a phase matrix system, as is EV Stereo-4 and Dolby Surround. Other systems, like the successful SQ system developed by CBS in New York, use even more cunning arrangements such that the rear channels are encoded by circular movements of the stylus (actually helical ...

quadraphonic sound not working windows 10 - Microsoft ...

    https://answers.microsoft.com/en-us/windows/forum/all/quadraphonic-sound-not-working-windows-10/60ffbe84-af74-4b2e-ae0f-e48a118a6901
    quadraphonic sound not working windows 10. i have HD Realtek audio and 4 speakers... the rear speakers are always dead, they work perfectly in the test, they work with games, but not with music, movies or anything else, I tried everything I know and it never solves the problem, I even have the speaker fill on both the Realtek manager and ...

Quadraphonic Sound Died In the 1970s. So Why Is …

    https://www.digitalmusicnews.com/2018/11/01/quadraphonic-sound-podcast/
    Quadraphonic sound faded from the landscape in the late 1970s, securing its place in the music technology dustbin. Now, somebody is bringing it back — and spreading the gospel to artists who ...

Audio - Quadraphonic (4 channel) sound issue on Windows ...

    https://forum.unity.com/threads/quadraphonic-4-channel-sound-issue-on-windows-missing-4th-channel.1153271/
    I've been working on an audio-visual installation running on a Windows PC which will use a 4 channel audio interface for its audio output. In Windows this is configured as a quadraphonic device and all 4 channels work when previewing the sound in the Import Settings inspector, but while running the project (both in the editor and as a standalone build) the 4th …

QUADRAPHONIC: 1970s Rock Albums (4.0 Surround) - …

    https://rateyourmusic.com/list/groonrikk/quadraphonic-1970s-rock-albums-4_0-surround/
    [b][i]Once upon a time[/i][/b] in the early-mid 1970s, the music industry attempted to introduce the public to the first Surround home audio format. It was called [b]Quadraphonic[/b]. This utilized an amplifier with four [i]discrete[/i] audio channels, double the standard two channels for stereo. There was one speaker in each of four corners of a room, surrounding the listener.

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