The Video Home System, better known by its abbreviation VHS is a recording and playing standard for analogue video cassette recorders (VCRs) and was developed by the Victor Company of Japan, Limited (JVC) and launched in September 1976. By the 1990s, VHS became a standard format for consumer recording and viewing, after competing in a fierce format war with Sony Corporation's ‘Betamax’.
In the mid-to-late 80s, both formats were extended to Super Betamax and Super VHS. Super Betamax could record up to 290 lines (approximately 380 pixels horizontal) which could make almost identical copies of broadcast or cable television. Super VHS offered up to 420 lines (560 horizontal) that matched the quality of analogue laserdiscs.
here’s where the marketers got it wrong though since both of these
formats were largely ignored by consumers who seemed content with the
fuzzy lo-res pictures provided by standard VHS (~320 pixels horizontal)
and the "super" standards remained expensive niche products
for a small minority of video enthusiasts.