| 摘要 |
<p>PURPOSE:To stabilize a reproducing function moreover by detecting that sampling frequency information is not changed by prescribed plural times. CONSTITUTION:A detection frequency counter 114 consists of counters 114-1- 114-3 counting up the outputs of respective terminal G11 side of data detecting circuits 113-2-113-4 at least once and a rise detecting circuit 114-4 receiving data which are outputted from a control circuit 116 and instructs a tape speed forcedly, detecting the rise of said data and resetting the counters 114-1-114-3. Said constitution makes it possible to detect that the sampling frequency information is not changed by the prescribed times, so that the detection of the sampling frequency information is made sure and the reproducing function is stabilized without error detection.</p> |
