SuperBeta allowed for a gain of 20% to 290 lines in horizontal resolution and some mechanical changes to reduce video noise, but by then Betamax's American and European share had already dropped to less than 10% of the market.
SuperBeta可提升20%水平分辨率至290线，部份机构改变以减低噪讯，但此时Betamax在美国及欧洲市场仅剩不到10%的市占率。