在framework/av/services/audiopolicy/config/default_volume_tables.xml里面

修改如下：

diff --git a/av/services/audiopolicy/config/default_volume_tables.xml b/av/services/audiopolicy/config/default_volume_tables.xml index 207be41aa..fab537acd 100644 --- a/av/services/audiopolicy/config/default_volume_tables.xml +++ b/av/services/audiopolicy/config/default_volume_tables.xml @@ -34,9 +34,16 @@ </reference> <reference> <!-- Default Media reference Volume Curve --> - <point>1,-5800</point> - <point>20,-4000</point> - <point>60,-1700</point> + <point>1,-4200</point> + <point>10,-2900</point>