Dangerous audio hardware parameter is accessible for an unprivileged application in the
release build of Android. The PARAM_FILE command could be used to set the location
of the configuration file related to a particular Aurisys HAL library.
// Customize the libfvaudio.so HAL library provided by the OEM AudioManager am = (AudioManager)getSystemService(Context.AUDIO_SERVICE); am.setParameters("AURISYS_SET_PARAM,DSP,ALL,FV_SPH,PARAM_FILE,<file path>=SET");