我是靠谱客的博主 阔达蜡烛,这篇文章主要介绍MT6735修改听筒增益,现在分享给大家,希望可以做个参考。

文件路径如下:vendormediatekproprietarycustomcommoncgencfgdefaultAudio_ver1_volume_custom_default.h

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#ifndef AUDIO_VER1_VOLUME_CUSTOM_DEFAULT_H #define AUDIO_VER1_VOLUME_CUSTOM_DEFAULT_H #define VER1_AUD_VOLUME_RING 来电铃声各level数字增益 32,48,64,80,96,112,128,144,160,176,192,208,224,240,255, 32,48,64,80,96,112,128,144,160,176,192,208,224,240,255, 128,136,144,152,160,168,176,184,192,200,212,224,236,248,255, 128,136,144,152,160,168,176,184,192,200,212,224,236,248,255 #define VER1_AUD_VOLUME_SIP VOIP各level数字增益 112,136,160,184,208,232,255,0,0,0,0,0,0,0,0, 112,136,160,184,208,232,255,0,0,0,0,0,0,0,0, 112,136,160,184,208,232,255,0,0,0,0,0,0,0,0, 0,43,85,128,171,213,255,0,0,0,0,0,0,0,0 #define VER1_AUD_VOLUME_MIC MIC各level数字增益 64,112,192,144,192,192,184,184,184,184,184,0,0,0,0, 255,192,192,180,192,192,196,184,184,184,184,0,0,0,0, 255,208,208,180,255,208,196,0,0,0,0,0,0,0,0, 255,208,208,164,255,208,172,0,0,0,0,0,0,0,0 #define VER1_AUD_VOLUME_FM 32,48,64,80,96,112,128,144,160,176,192,208,224,255,255, 88,100,112,124,136,148,160,172,184,196,208,220,232,244,255, 68,80,92,104,116,128,140,152,168,176,188,200,212,232,248, 32,48,64,80,96,112,128,144,160,176,192,208,224,255,255 #define VER1_AUD_VOLUME_SPH 通过各level数字增益 40,60,80,100,120,140,160,0,0,0,0,0,0,0,0, 40,60,80,100,120,140,160,0,0,0,0,0,0,0,0, 40,60,80,100,120,140,160,0,0,0,0,0,0,0,0, 40,60,80,100,120,140,160,0,0,0,0,0,0,0,0 #define VER1_AUD_VOLUME_SID 0,0,16,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,32,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 #define VER1_AUD_VOLUME_MEDIA media各level数字增益 32,48,64,80,96,112,160,144,160,176,192,208,224,240,255, 88,100,112,124,136,148,160,172,184,196,208,220,232,244,255, 68,80,92,104,116,128,140,152,168,176,188,200,212,232,248, 32,48,64,80,96,112,128,144,160,176,192,208,224,240,255 #define VER1_AUD_VOLUME_MATV MATV各level数字增益 32,48,64,80,96,112,128,144,160,176,192,208,224,240,255, 88,100,112,124,136,148,160,172,184,196,208,220,232,244,255, 68,80,92,104,116,128,140,152,168,176,188,200,212,232,248, 32,48,64,80,96,112,128,144,160,176,192,208,224,240,255 #define VER1_AUD_NORMAL_VOLUME_DEFAULT 听筒模拟增益 128,128,128,128,128,128 #define VER1_AUD_HEADSER_VOLUME_DEFAULT 耳机模拟增益 124,148,148,148,148,148 #define VER1_AUD_SPEAKER_VOLUME_DEFAULT speaker模拟增益 160,120,120,120,120,120 #define VER1_AUD_HEADSETSPEAKER_VOLUME_DEFAULT 耳机和speaker同时开启时的speaker模拟增益 112,160,132,132,132,132,132,132 #define VER1_AUD_EXTAMP_VOLUME_DEFAULT 132,132,132,132,132,132 #define VER1_AUD_VOLUME_LEVEL_DEFAULT 15,7,15,15,7,7,7,15,15 /* mic volume setting for 2G/3G HAC mode */ #define DEFAULT_VER1_AUD_VOLUME_MIC_HAC 64,112,192,144,192,192,184,184,184,184,184,0,0,0,0 /* speech dl volume setting for 2G/3G HAC mode */ #define DEFAULT_VER1_AUD_VOLUME_SPH_HAC 40,52,64,76,88,100,112,0,0,0,0,0,0,0,0 /* sidetone volume setting for 2G/3G HAC mode */ #define DEFAULT_VER1_AUD_VOLUME_SID_HAC 0,0,16,0,0,0,0,0,0,0,0,0,0,0,0 #endif
四行数据增益分别对应:

      听筒模式

      耳机模式

      喇叭模式

      耳机和喇叭同时出声的模式

修改听筒增益,只需要修改VER1_AUD_VOLUME_SPH对应的第一行数据即可。

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