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pure path studio能不能设置三路模拟语音输入?

Other Parts Discussed in Thread: TLV320AIC3254EVM-K

使用pure path studio仿真AIC3254EVM评估板的功能,目前是用IN1插电容麦克风采集环境音,然后通过HeadPhone耳机接口输出,如图:



在PPS的配置如下:


 

但是我想做一个类似环境噪音消除的功能,那就需要额外一路模拟输入做抵消运算,如IN2 IN3等,并且IN3还带了偏置电压,就问下,能不能同时使用IN1和IN3两路输入,然后将IN3的信号并入IN1的信号做运算呢?