Last Tuesday 07 December 2004 04:46, John Anderson was like: > I'm looking for articles, papers, books etc on the relationship between > frequency and pitch, epecially as it's related to the perception of > consonance (ratios and just intonation), and the evolutionary forces > driving the configuration of human hearing (speech, environmental > sounds). Book: 'Expanding Tonal Awareness' - Heiner Ruland - Steiner Press 1992 ISBN: 1 85584 170 3 You might find some other useful stuff near here: http://en.wikipedia.org/wiki/Psychoacoustics http://www.bsos.umd.edu/psyc/dooling/intro.htm http://interface.cipic.ucdavis.edu/CIL_tutorial/3D_psych/3D_psych.htm http://www.pa.msu.edu/acoustics/ http://www.musicpsyche.org/resourceguide.html cheers tim hall http://glastonburymusic.org.uk