It is quliosty.

today I attend the company seminar. and it was happened.

believe me or not, electrical sounds was ringing suddenly.
but at that time, nobody use pc,microphone.

I suppose that some system was broken.so,I took a phone call to customer service for OA system.

5 minutes later,they came and checked the system and .....

but nothing was broken. everything worked normally.


it was strange experience. it may be scared experience for somebody except me.