test mic

src/audio/OpenAL/Context.cpp

src/audio/OpenAL/Makefile.am

src/audio/OpenAL/MicEmitter.cpp

src/audio/OpenAL/MicEmitter.hpp

src/audio/OpenAL/OpenALLayer.cpp

src/audio/OpenAL/OpenALSource.cpp

src/audio/OpenAL/OpenALSource.hpp

src/audio/OpenAL/README.txt