question: What features do LaserDiscs lack in , causing DVDs to appear sharper and clearer ?
answer: video signal-to-noise ratio and bandwidth
turker_answer: LaserDiscs lack in video signal-to-noise ratio and bandwidth , causing DVDs to appear sharper and clearer .
rule-based: LaserDiscs lack in video signal-to-noise ratio and bandwidth , causing DVDs to appear sharper and clearer .