功能:需要实现四通道MIC in(外接话筒)的音频输入采样,并实现4个通道数据处理后,还原出4个通道声音,通过功放输出。
问题1:有没有4通道的mic in输入(外接话筒)芯片,或者4通道音频ADC,求推荐?
问题2:有没有4通道的line out输出(外接功放),或者音频DAC??
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Hi Jun,
四通道的ADC推荐PCM1865,是TI新一代高性能ADC.
http://www.ti.com.cn/product/cn/PCM1865?keyMatch=PCM1865&tisearch=Search-CN-Everything
四通道的DAC有PCM4104.
http://www.ti.com.cn/product/cn/PCM4104?keyMatch=PCM4104&tisearch=Search-CN-Everything
直接一颗实现4通道进,4通道出,能实现的型号有TLV320AIC34
http://www.ti.com.cn/product/cn/TLV320AIC34?keyMatch=TLV320AIC34&tisearch=Search-CN-Everything