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