AudioFocus 和外部音频策略

管理音频焦点

https://developer.android.com/guide/topics/media-apps/audio-focus#java

Android Audio（七）—— AudioFocus（duck）

https://blog.youkuaiyun.com/tudouhuashengmi/article/details/113395633

Android音频相关（六）AudioFocus介绍

https://blog.youkuaiyun.com/xiangzaixiansheng/article/details/88781359?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-0&spm=1001.2101.3001.4242

分析Framework源码--一文带你彻底了解Android的AudioFocus机制，肯定有你不知道的知识点(基于Android10)

https://blog.youkuaiyun.com/braintt/article/details/112138681

Android 9.0失去音频焦点后不能再获取到焦点

https://blog.youkuaiyun.com/zou249014591/article/details/107490071

Android P 音频焦点管理

https://blog.youkuaiyun.com/eatlemon/article/details/110426550?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-15.pc_relevant_baidujshouduan&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-15.pc_relevant_baidujshouduan

android O的混音降音浅析

https://blog.youkuaiyun.com/jeephao/article/details/108612076?utm_medium=distribute.pc_relevant_download.none-task-blog-2~default~BlogCommendFromBaidu~default-2.test_version_3&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-2~default~BlogCommendFromBaidu~default-2.test_version_

基于Android O平台Audio Focus分析(主要结合Car)（上）

https://blog.youkuaiyun.com/bberdong/article/details/79268327

Android：VolumeShaper——音频音量控制(VIP专享) VIP下载

https://download.youkuaiyun.com/download/weixin_38621365/14016915?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-0&spm=1001.2101.3001.4242

Android10.0AudioFocus之源码分析（二）

https://blog.youkuaiyun.com/l328873524/article/details/105211554/?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-1&spm=1001.2101.3001.4242

Android AudioPolicy策略的实现过程分析（一）：音量调节

https://blog.youkuaiyun.com/u012773843/article/details/115510652?spm=1001.2014.3001.5501

Android9 framework 按键音调用流程及自定义按键音（替换原生按键音）和调节按键音音量的方法

https://blog.youkuaiyun.com/u012773843/article/details/111869320?spm=1001.2014.3001.5501

音量管理

https://source.android.com/devices/automotive/audio/volume-

音频焦点

https://source.android.com/devices/automotive/audio/audio-focus#matrix

Android 10 音频焦点仲裁策略分析

https://blog.youkuaiyun.com/u012773843/article/details/115231843?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-15.pc_relevant_baidujshouduan&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-15.pc_relevant_baidujshouduan

Android 外部音频策略注册流程

https://blog.youkuaiyun.com/pshebing/article/details/106002719