| 摘要 |
PURPOSE:To prevent the occurrence of a howling and to provide an acoustic environment in which no sense of incongruity exists for a 'KARAOKE' playing by controlling a microphone mixing balance control section using a microphone position information and adjusting a mixing balance, an output level and the delay amount of a signal of each channel. CONSTITUTION:The device consists of an accompaniment music reproduction device 1 and a microphone mixing balance control section 3 which mixes accompaniment music signals from a 'KARAOKE' section 2 and microphone 10 input voice signals by a microphone position designating circuit 7. The section 3 is provided with mixing balance level adjustment device VR1 to VR8 for each channel, adders 3d to 3g, signal level adjustment device 3h to 3k and signal delaying circuits 3m to 3q so that mixing signals are outputted to speakers 9a to 9d of each channel. |
