| 摘要 |
PURPOSE:To attenuate a gain by a specific quantity in response to each excessive input when a microphone output is excessive by automatically setting a microphone sound volume, a music reproduction sound volume, and an echo quantity to specific values at each end and start of music. CONSTITUTION:This orchestral accompaniment device is equipped with adjusting means 1, 3, and 4 which adjust a microphone level, a means 5 which detects a current level, a means 6 which detects the end or start of music, and a control circuit 9 which controls the adjusting means so that a standard level is stored in a memory previously and the value from the level detecting means is compared with the stored value when the music detecting means outputs a detection signal to equalize the level to the stored level; and a comparing means 10 which detects the output levels from the adjusting means and sends out its output is included and the control circuit controls the adjusting means according to the output of the comparing means to attenuate the microphone level by the specific quantity. |
