Voice Control Circuit的意思|示意

Using electronic components to design circuit, the basic control demonstration instrument is made, and the control phenomena of temperature, magnetism, light and voice are demonstrated.

利用电子元器件设计电路 ，制作了基本控制演示仪 ，演示了最基本的温、磁、光、声控制现象 。

A way of controlling the voice volume in a wide range with program-control amplifier, the hardware circuit and constructing method of software are given.

采用程控放大器对音量进行宽范围控制，提供了具体硬件电路并指出了软件构成方法。