| 摘要 |
PROBLEM TO BE SOLVED: To make operation of a multi-channel mixer (mixing console) for replacement of voice signals such as music (BGM) and narration from plural reproducing devices, replacement of tapes and disks of the plural reproducing devices and recording of the narration possible to be performed by one person in editing by an amateur photographer and a beginner by making the mixer replace voice signals by operation of a slide volume control when photographed video is edited. SOLUTION: This mixing console is constituted by providing a key switches 3a and 3b on an operation panel 1a and replacing work of plural voice signals is automatically enabled by operation to depress the keys. Selection of replacing time of the voice signals is enabled and the selection from zero second to five seconds is enabled by key switches 4a to 4f. When a narration signal is inputted, a BGM signal is automatically attenuated by 6 to 7 db and motion of a pointer of a VU meter 5 is made to follow the changes of the voice signals.
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