Markku Turunen  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, Speech-Based and Pervasive Interaction Group, Kanslerinrinne 1, FIN-33014 University of Tampere, Finland (mturunen@cs.uta.fi). Dr. Turunen received a Ph.D. degree in computer science from the University of Tampere in March 2004. He joined the Tampere Unit for Computer-Human Interaction in 1998, and has been coordinating one of its research groups, the Speech-Based and Pervasive Interaction group. His research interests are in speech-based, auditory, and pervasive applications.

Jaakko Hakulinen  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, Speech-Based and Pervasive Interaction Group, Kanslerinrinne 1, FIN-33014 University of Tampere, Finland (jaakko.hakulinen@cs.uta.fi). Mr. Hakulinen is a researcher in the Speech-Based and Pervasive Interaction Group. He received an M.Sc. degree in computer science from the University of Joensuu in 1998. He joined the TAUCHI (Tampere Unit for Computer Human Interaction) unit in 1998 and has been working since on the area of speech interfaces. Currently, he is working on software tutoring of speech interfaces.

Kari-Jouko Räihä  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, FIN-33014 University of Tampere, Finland (kjr@cs.uta.fi). Dr. Räihä is a professor of computer science at the University of Tampere. He received a Ph.D. degree in computer science from the University of Helsinki in 1982 and moved to the University of Tampere soon after. He has worked in human-computer interaction for 15 years and is the founder and head of the Tampere Unit for Computer-Human Interaction, a research unit of more than 50 researchers, faculty members, and graduate students. His research interests are in interaction design, particularly the use of nonstandard modalities, such as eye gaze and speech.

Esa-Pekka Salonen  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, Speech-Based and Pervasive Interaction Group, University of Tampere, Kanslerinrinne 1, FIN-33014 University of Tampere, Finland (esa-pekka.salonen@cs.uta.fi). Mr. Salonen is a researcher and a Ph.D. candidate at the University of Tampere. He received B.Sc. and M.Sc. degrees in computer science from the University of Tampere in June 2002 and in December 2002, respectively. Mr. Salonen has worked in the Speech-Based and Pervasive Interaction Group since 2001 on various projects and applications.

Anssi Kainulainen  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, Speech-Based and Pervasive Interaction Group, University of Tampere, Kanslerinrinne 1, FIN-33014 University of Tampere, Finland (anssi@cs.uta.fi). Mr. Kainulainen is a researcher in the Speech-Based and Pervasive Interaction Group. He is working on auditory awareness information in ubiquitous systems.

Perttu Prusi  University of Tampere, Department of Computer Sciences, Tampere Unit for Computer Human Interaction, Speech-Based and Pervasive Interaction Group, University of Tampere, Kanslerinrinne 1, FIN-33014 University of Tampere, Finland (prusi@cs.uta.fi). Mr. Prusi is a researcher in the Speech-Based and Pervasive Interaction Group. He received an M.Sc. degree in computer science from the University of Tampere in February 2005. He is working on speech-based and audio-based guidance systems.