TRAINING METHOD AND APPARATUS WITH AUDIO AND DIGITAL SIGNALS RECORDING AND PLAY BACK

摘要

Digital and audio record/play apparatus includes a recording means (72, 92) for simultaneously recording in a medium both digital information (91) and audio information (71) and play means for simultaneously playing from said medium both such digital information and such audio information. A method for recording and playing digital and audio information, includes recording simultaneously in a medium both digital information and audio information, and playing simultaneously from such medium both such digital information and such audio information. Circuitry for improving accuracy of the recorded and played signals and for decoding signals is disclosed.