Inaudible World

Inaudible World is a Double CD and Book which contains the echo location calls of 27 different European bat species. On the 1st CD the calls are recorded in 'real time' with heterodyne detectors and on the 2nd CD they are (time expanded) slowed down ten times . A 47 page Inaudible World explanatory booklet accompanies the CD's called 'The World of Bats'. Inaudible World has been produced by Michel Barataud