ANDROID的声音管理系统及服务

http://blog.csdn.net/goohong/article/details/21246007

http://m.blog.csdn.net/pashanhu6402/article/details/75396330

 

http://www.btjfj.com/gy/zxtz/2017/0512/340.html

 

http://www.bijishequ.com/detail/266914?p=      binder