| 摘要 |
PROBLEM TO BE SOLVED: To mainly hear only a talk back signal when conversation is performed by a talk back. SOLUTION: N input channel signals from an input channel unit 31 having N input channels are selectively supplied to M mixing buses 37 and a queue bus 38. A mixed output that is output from the mixing buses 37 is supplied to an output channel unit 34 having M output channels through a talk back input unit 33 and M output channel signals from the output channel unit 34 are patched to an output port by an output patch 36. The talk back signal from a talk back unit 32 is supplied to the talk back input unit 33. When the talk back is turned on, the talk back signal is mixed with the mixed output from the mixing buses 37 and is output to the output channel. In this case, the mixed output is temporarily attenuated by a dimmer. COPYRIGHT: (C)2011,JPO&INPIT
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