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  2. Betamax - Wikipedia

    en.wikipedia.org/wiki/Betamax

    In June 1983, Sony introduced high fidelity audio to videotape as Beta Hi-Fi. For NTSC , Beta HiFi worked by placing a pair of FM carriers between the chroma (C) and luminance (Y) carriers, a process known as frequency multiplexing.

  3. Environmental Audio Extensions - Wikipedia

    en.wikipedia.org/wiki/Environmental_Audio_Extensions

    The Environmental Audio Extensions (or EAX) are a number of digital signal processing presets for audio, present in Creative Technology Sound Blaster sound cards starting with the Sound Blaster Live and the Creative NOMAD/Creative ZEN product lines.

  4. Brainwave entrainment - Wikipedia

    en.wikipedia.org/wiki/Brainwave_entrainment

    This tendency has been identified as specifically pertinent to the study of sound and music generally, and acoustic rhythms specifically. The most familiar examples of neuromotor entrainment to acoustic stimuli is observable in spontaneous foot or finger tapping to the rhythmic beat of a song .

  5. Videotape format war - Wikipedia

    en.wikipedia.org/wiki/Videotape_format_war

    The videotape format war was a period of competition or "format war" of incompatible models of consumer-level analog video videocassette and video cassette recorders (VCR) in the late 1970s and the 1980s, mainly involving the Betamax and Video Home System (VHS) formats. VHS ultimately emerged as the preeminent format.

  6. Betacam - Wikipedia

    en.wikipedia.org/wiki/Betacam

    Betacam. Betacam is a family of half-inch professional videocassette products developed by Sony in 1982. In colloquial use, Betacam singly is often used to refer to a Betacam camcorder, a Betacam tape, a Betacam video recorder or the format itself.

  7. Beta wave - Wikipedia

    en.wikipedia.org/wiki/Beta_wave

    Beta waves can be split into three sections: Low Beta Waves (12.5–16 Hz, "Beta 1"); Beta Waves (16.5–20 Hz, "Beta 2"); and High Beta Waves (20.5–28 Hz, "Beta 3"). Beta states are the states associated with normal waking consciousness.