1. http://www.speech.kth.se/synface
2. Beskow, J., Dahlquist, M., Granström, B., Lundeberg, M., Spens, K.-E., Öhman, T.: The teleface project: Multimodal speech communication for the hearing impaired. In: Proc. of Eurospeech, Rhodes, pp. 1651–1654 (1997)
3. Agelfors, E., Beskow, J., Dahlquist, M., Granström, B., Lundeberg, M., Spens, K.E., Öhman, T.: Synthetic faces as a lip-reading support. In: Proc. of ICSLP, Sydney, Australia (1998)
4. Öhman, T., Salvi, G.: using HMMs and ANNs for mapping acoustic to visual speech. TMH-QPSR, 1–2 (1999)
5. Salvi, G.: Truncation error and dynamics in very low latency phonetic recognition. In: ISCA workshop on Non-linear Speech Processing (2003)