Synchronous recording and playback of left and right stereo channels on separate digital discs

摘要

A disc recording device for recording left channel signals and right channel signals having a super audio-frequency signal range up to 40 kHz on a left master disc and a right master disc respectively comprises a left disc recording control portion, a right disc recording control portion, and a common control portion. An another disc recording device for recording the left channel signals and the right channel signals having sounds of super audio-frequency signal range up to 40 kHz onto one face and other face of a master disc respectively comprises a disc inverse face playback control portion, a disc front face playback control portion, and a common control portion. A signal frame as a channel bit used in the above mentioned devices has 316 bits per one left channel signal and one right channel signal, respectively.