1. Batliner, A., Fischer, K., Huber, R., Spiker, J., Nöth, E.: Desperately seeking emotions: Actors, wizards and human beings. In: Proceedings of the ISCA Workshop on Speech and Emotion: A Conceptual Framework for Research, pp. 195–200 (2000)
2. Böck, R., Siegert, I., Haase, M., Lange, J., Wendemuth, A.: ikannotate - a tool for labelling, transcription, and annotation of emotionally coloured speech. In: D’Mello, S., Graesser, A., Schuller, B., Martin, J.C. (eds.) Proceedings of ACII. Lecture Notes on Computer Science, vol. 6974, pp. 25–34. Springer, Berlin (2011)
3. Breiman, L.: Bagging predictors. Mach. Learn. 24(2), 123–140 (1996)
4. Burkhardt, F., Paeschke, A., Rolfes, M., Sendlmeier, W., Weiss, B.: A database of German emotional speech. In: Proceedings of Interspeech 2005, pp. 1517–1520 (2005)
5. Cowie, R., Douglas-Cowie, E., Tsapatsoulis, N., Votsis, G., Kollias, S., Fellenz, W., Taylor, J.: Emotion recognition in human-computer interaction. IEEE Signal Process. Mag. 18(1), 32–80 (2001)