| 摘要 |
PROBLEM TO BE SOLVED: To provide an identification information overlapping apparatus capable of easily checking a wiring situation for connecting instruments with a mixer.SOLUTION: In a PA system, watermark information indicating identification information specifying a musical instrument is superimposed on an audio signal output from each musical instrument installed on a stage ST and contents of the identification information indicated by the watermark information superimposed on each audio signal are displayed on a display section of a connector B installed in a PA booth and a display section 301 of a mixer 30. |
