| 摘要 |
PURPOSE:To attain the erasing of a vocal sound by a simple constitution. CONSTITUTION:A sound reproducing device for supplying the sum and the difference signals of stereophonic right and left signals, obtaining the right and left signals from the sum and difference signals and supplying the right and left signals respectively to righ and left signal output terminals TR, TL, is provided with change-over switches SW1 to SW4 for switching the right and left signals and supplying the difference signal to the right and left signal output terminals TR, RL. |
