来自《耶鲁大学开放课程：聆听音乐 第8集 第8集》

• 
  
  Anything else? Roger?
  还有吗 罗杰
• 
  
  Yeah. Oh, so we've got the difference
  是的 所以我们还有一个区别
• 
  
  between acoustical instruments,
  一种是原声乐器
• 
  
  which are sort of natural wood and strings
  那是用天然的木材或琴弦制造的乐器
• 
  
  and that sort of thing, and electronically amplified sound
  另一种是电声
• 
  
  in which it might be sent to a mixer
  把声音通过混音器
• 
  
  or perhaps a synthesizer
  或者合成器进行处理
• 
  
  that could play with those partials that we talked about,
  以便生成那些分音 我们以前讲过的
• 
  
  and maybe turn a clarinet--
  把一个单簧管
• 
  
  somebody playing at a keyboard
  比如有人演奏键盘乐器
• 
  
  and you want that keyboard to sound like a trumpet,
  而你希望它发出小号的声音
• 
  
  well, you just turn a mixing board
  你可以在调音台上调整