FIELD: information carriers.
SUBSTANCE: in accordance to the invention, information carrier contains version information. That information indicates, with which record specification version the information carrier is compliant. Also, carrier contains standard information recording condition for recording of information at standard speed and high-speed information recording condition for recording of information at high speed. information recording device compares information about version on record carrier to information about version from recording device to take a decision about whether recording of information is permitted or not. When decision is taken that information recording is not permitted according to version information, adaptive information about version is further compared to information about version from information recording device, to take a decision about whether the recording of information is permitted.
EFFECT: increased efficiency.
5 cl, 6 dwg
