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日本一些公司为适应EDTV发展的需要开发了新型的家用录象机系统。JVC公司推出了超级VHS录象机Super VHS,SONY公司也推出了ED Beta录象机(Extended Definition Beta),又开始了一场VHS格式和β格式的较量战。Super VHS和EDBeta的共同特点是大大提高了图象水平清晰度,图象质量都高于现行广播级录象机的图象质量。
Some Japanese companies have developed a new type of home video recorder system to meet the needs of EDTV development. JVC introduced Super VHS Super VHS video recorders, SONY also introduced ED Beta Video (Extended Definition Beta), began a VHS format and Beta format war. The common feature of Super VHS and EDBeta is the dramatic increase in image-quality and image quality over existing video recorders.