However, if the "click" of an opening door is part of an ominous action such as a burglary, the sound mixer may call attention to the "click" with an increase in volume.
然而，如果开门的“咔哒”声是入室抢劫之类的不祥之兆，混音器可能会提高音量，提醒人们注意这个声音。
2
Recording is handled by a sound crew. in shooting a sound engineer called a mixer watches the action and regulates the volume and the balance of voices.
With the help of experiment study, the author discusses parameters optimization and matching, and testes the performance of prototype comparing with ordinary forced actionmixer.