voice-frequency circuit

The circuit consistute of the rhythm memory block, the notes generation block, the voice output block and the dot array display block.

该音乐存储和回放电路包括乐谱存储模块、音符产生模块、声音输出模块和点阵显示模块等。

Design of the Data Transmission Circuit in Voice Controlled by Dialing

电话控制数据语音传输电路的设计

Because voice is carried out through TDM network, it belongs to the category of circuIt'switch.

目前语音基本还是通过TDM网络来承载, 这属于电路交换范畴.

The article search and bring forward the application idea about analog line combined with figure line to operate the voice and ray, quote important element, design circuit and analyse the circuit-operated principium.

探索和提出了模拟电路配合数字电路进行声、光与控制的应用思想，引用了重要元器件，设计了电路，分析了电路控制原理。

Voice amplification circuit design is composed of Pre-amplification circuit, Active filter circuit and power amplification circuit.

语音放大电路由前 置 放大电路 、 有源滤波电路和功率放大电路三部分组成.