基于TLV320AIC3254的音频开发办,我烧入wifi_audio_app例程(例程中关掉板载咪头输入,并将音量调到最大),另两入输入接口没有接音频信号,但是板子一直吱吱吱的响,是板子本身底噪就这么大吗?
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基于TLV320AIC3254的音频开发办,我烧入wifi_audio_app例程(例程中关掉板载咪头输入,并将音量调到最大),另两入输入接口没有接音频信号,但是板子一直吱吱吱的响,是板子本身底噪就这么大吗?
我底板是接cc3200launchpad,直接usb供电,后续用了直流稳压电源提供电压也是同样有滋滋滋的声音。。是不是需要重新配置3254?