check_audio_file ("test/data/upmixer_a_test/Ls.wav", "build/test/upmixer_a_test/Ls.wav");
check_audio_file ("test/data/upmixer_a_test/Rs.wav", "build/test/upmixer_a_test/Rs.wav");
}
check_audio_file ("test/data/upmixer_a_test/Ls.wav", "build/test/upmixer_a_test/Ls.wav");
check_audio_file ("test/data/upmixer_a_test/Rs.wav", "build/test/upmixer_a_test/Rs.wav");
}