| 摘要 |
PURPOSE:To make the adjustment of left and right speakers easy for suitable stereo adjustment, by catching the received sound level from each speaker at the location of a person listening to a stereo and enabling to adjust the balance of left and right speakers while observing the indicator. CONSTITUTION:A width W of a stereo adjuster 1 is made equal the width of a face of a person, and ear shell shape receivers 2, 3 are projected symmetrically at left and right sides, and holes 4, 5 linking to the receivers 2, 3 are provided in the device 1, and microphones 6, 7 are fitted at the location corresponding to the eardrums at the hole bottom of the holes 4, 5. The output from the microphones 6, 7 is amplified at amplifiers 8, 9 and it is indicated on LED bar chart stereo displays 10, 11 or VU meters 12, 13 provided in front of the device 1. Further, at the location where the stereo is listened to by a person, the received sound level from each speaker is displayed, to suitably adjust the left and right balance with knobs 14, 15 while observing the indication. |
