主要提供Speex编解码的so库。Speex的包名为com.audio。在使用的时候包名不能变。亲测可用，项目中的蓝牙通话就是用的这个库，大家放心使用。下面是Speex的代码（注意：回音消除部分尚未完善，小伙伴们用编辑吗即可）(The main so library for Speex codec is provided. The package name for Speex is com.audio. The name of the package cannot be changed when it is used. The Bluetooth call in the project is the library which is used in the project, and it is safe to use. The following is the Speex code (Note: the echo cancellation part is not in the evening, can the partners use editors))