Multiple sub-Nyquist sampling encoding

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MUSE (Multiple sub-Nyquist Sampling Encoding),^[1] commercially known as Hi-Vision (a contraction of HIgh-definition teleVISION)^[1] was a Japanese analog high-definition television system, with design efforts going back to 1979.^[2] Traditional interlaced video shows either odd or even lines of video at any one time, but MUSE required four fields of video to complete a single video frame. Hi-Vision also refers to a closely related Japanese television system capable of transmitting video with 1035i resolution, in other words 1035 interlaced lines. MUSE was used as a compression scheme for Hi-Vision signals.