alSourcef(mSource, AL_PITCH, 1.0f);
alSourcef(mSource, AL_GAIN, 1.0f);
alSourcefv(mSource, AL_POSITION, zero);
alSourcefv(mSource, AL_VELOCITY, zero);
alSourcef(mSource, AL_PITCH, 1.0f);
alSourcef(mSource, AL_GAIN, 1.0f);
alSourcefv(mSource, AL_POSITION, zero);
alSourcefv(mSource, AL_VELOCITY, zero);