【单选题】麦克风录音需要对其他音轨静音，若是录制时还有回声应该怎么做（ ）

【单选题】媒体播放软件播放MIDI音乐时,必须通过( )上的音乐合成器生成声音信号。

【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...

【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...

【判断题】根系也是树木的合成器官。

【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...

【单选题】音乐合成器是__________。

【简答题】频率合成器框图如图P7.3所示，N=760~960，试求输出频率范围和频率间隔。

【简答题】【名词解释】音轨(语言)

【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...