Barataud : The Inaudible World : Ballades dans l'inaudible

| | | Doppel-Audio-CD, 61:30 min, Booklet mit 50 S. | WG: Bioakustik-Produkt | Eine einzigartige akustische Monographie mit 27 Fledermausarten. | This double CD brings you the ultrasounds of the sonars of 27 european bats reproduced in audible frequencies. In the first CD, sounds were reproduced at their actual speed, and in the second they are slowered ten times (time expansion). The test is written in a rather pedagogic way and all the acoustical variations are studied. Further than this scientific aspect, you will discover a surprising and wonderful ultrasonic world, that the author widened as he included insects' ultrasounds. | F/E | |