To provide a voice changeover circuit capable of changing over a high fidelity voice to a fixed head linear voice automatically even when noise at the time reproducing a high fidelity voice unrecorded tape or at the time of reproducing a high fidelity voice recorded tape is large.

After a linear audio signal (c) is subjected to a level matching, it is supplied to a noise pickup circuit 28 and a repeated spike shaped noise to be outputted from the circuit passes a noise eliminating (subtracting) circuit 30 together with the signal of a clamping circuit against reference voltage 29 and the noise component of the outputted noise is subtractingly eliminated to be supplied to a noise level comparator 39. In a HiFi voice side, the same processings are performed and the output is also supplied to the comparator 39. The compared result is transmitted from an SW control signal generator 40 to an SW circuit 21 to change over reproduced voices of the linear audio and the HiFi.