Gordon Hempton / Sound Tracker® is an acoustic ecologist, and Emmy award–winning sound recordist. For more than 35 years, he has provided professional audio services to musicians, galleries, museums, and media producers, including Microsoft, Smithsonian, National Geographic, Discovery, National Public Radio, and numerous other businesses and organizations. He has received recognition from the Charles A. Lindbergh Fund, the National Endowment for the Arts, and the Rolex Awards for Enterprise.

Martin Howse (born 1969, UK) is an artist/programmer and theorist; educated at Goldsmiths College Fine Art London, living in Berlin. His work spans the fields of computing programming, writing, education and performance and he is occupied with an artistic, interdisciplinary investigation of the links between the earth, software and the human psyche, he has pioneered numerous open-laboratory style projects and performed, workshopped, lectured and exhibited in galleries, venues and festivals across Europe, North and South America.

Helmi Järviluoma-Mäkelä (born 1960 in Ylivieska, North Ostrobothnia) is a Finnish sound, music, and cultural scholar and writer. She is a Professor of Cultural Studies at the University of Eastern Finland. As sensory and soundscape ethnographer, Järviluoma has developed the mobile method of sensobiographic walking. Her research and art spans the fields of sensory remembering, qualitative methodology (especially regarding gender), environmental cultural studies, sound art and fiction writing.

Sonic journalism is a term proposed by Peter Cusack for his project Sounds from dangerous places.org and is based on the premise that: "all sound, including non–speech, gives information about places and events and that listening provides valuable insights different from, but complimentary to, visual images and language. This does not exclude speech but redresses the balance towards the relevance of other sounds. In practice field recordings become the means to achieve this. Recordings can, of course, be used in many ways.