#Configuration file for the audio volume #使用说明: #[PHONE_EARPIECE] -->听筒音量设置.听筒音量由3个部分控制,分别是phonepn_gain,mixer_gain,output_gain. #phonepn_gain =1,4,4,4,4,7 (范围为0~7) #mixer_gain =3,3,3,4,5,7 (范围为0~7) #output_gain =60,60,60,60,60,60 (范围为0~61) # #声音共分6级,level_1时,声音最小. #level1, level2, level3, level4, level5, level6 #例如 #phonepn_gain =1,4,4,4,4,7 #level1时, phonepn_gain音量为1.  #level2时, phonepn_gain音量为4. # # #phonepn_gain 范围为0~7 3dB/step #mixer_gain 范围为0~7 1.5dB/step #hp_gain 范围为0~7 1dB/step #spk_gain 范围为0~31 1.5dB/step #line_gain 范围为0~31 1.5dB/step ################Phone down stream################################## [PHONE_EARPIECE] phonepn_gain =1,4,4,4,4,7 mixer_gain =3,3,3,4,5,7 hp_gain =60,60,60,60,60,60 [PHONE_HEADSET] phonepn_gain =1,4,4,4,4,7 mixer_gain =3,3,3,4,5,7 hp_gain =20,25,30,35,35,35 [PHONE_SPEAKER] phonepn_gain =1,4,4,4,4,7 mixer_gain =3,3,3,4,5,7 spk_gain =25,26,28,29,31,31 #蓝牙上行音量控制,可减少蓝牙mic带来的上行噪音 #值越大,噪音越小,音量越小,声音效果越差 #当前,仅对plan one 配置有效 [BLUETOOTH_UP] pcm_vol =8 ##############Analog FM#################################### [FM_HEADSET] line_gain =2,3,4,5,6,7 hp_gain =48,50,52,56,58,61 [FM_SPEAKER] line_gain =2,3,4,5,6,7 spk_gain =21,23,25,26,28,30