The analog-to-digital converter turns the microphone signal into numbers.
模数转换器把麦克风的模拟信号转换成数字。
To reduce noise in the measurement system, the engineer chose an analog-to-digital converter with higher resolution and a stable reference voltage.
为了降低测量系统中的噪声,工程师选择了更高分辨率并配有稳定基准电压的模数转换器。