怎么让拨号键盘的声音变大,拨号按键声音怎么调大

这里我们选择 "Voice" 通道

再选择 "HANDSET_MIC & HEADSET_SPKR_STEREO"，为啥选这个后面会讲。

通道选好后，显示的数据如下：

上图RX_VOICE_SPKR_GAIN = 8.0 dB，RX_VOICE_DEC_GAIN = -3.0 dB

先往小的改，幅度大点，改成 RX_VOICE_SPKR_GAIN = -20.0 dB，RX_VOICE_DEC_GAIN = -20.0 dB。