Technical situation in S-VHS and ED - β VTR
SVHS和EDβ录象机的技术概况
Based on VHS and β - format , using highband technique , Super-High-Band Video Home System ( S-VHS ) and Extended Definition Betaformat ( ED - β) have been developed .
以VHS和β型机为基础,采用高带技术,开发出了超高带家用录象系统(S-VHS)和扩展清晰度β型机(ED-β)。