Last updated at: (Beijing Time) Tuesday, July 16, 2002
China Develops Enhanced Versatile Disc (EVD) System
A new system of Enhanced Versatile Disc (EVD), developed by davform and with China's own intellectual property rights, has lately passed state appraisal, ending the history that core technology from VCD to DVD had been monopolized by foreign countries.
A new system of Enhanced Versatile Disc (EVD), developed by davform and with China's own intellectual property rights, has lately passed state appraisal, ending the history that core technology from VCD to DVD had been monopolized by foreign countries.
Sponsored by the State Trade and Economic Commission and Ministry of Information Industry, the system was developed by davform and put into trial industrialization in SVA (Group), which will be put into batch production and brought into the market within this year.
The system gathers up many functions as household electric appliance, computer and communications, with its technological section containing 22 patents and 5 sets of software, superior to DVD in term of technology. The EVD standard has become a trade standard and submitted to the International Electrotechnical Commission and International Organization for Standardization as an international standard proposal.
The EVD system shows apparent technological advantages over DVD system, according to experts from the appraisal committee, and fills in blanks of storing and displaying of hi-definition programs. Its EAC is able to produce an audio frequency of better quality than dolby AC-3 under the same rate, which has reached world advanced level.