This sound is a reproduction of a steps throught a large corridor in tallers. It is a repetitive sound with different pitch in each step, it seems sinusoidal sound.
Gravado com boom sennheiser para a disciplina de captação e edição de áudio do curso rádio, tv e internet, universidade anhembi morumbi. São paulo-sp. Brasil.
Other placesrecorder: zoom h2 / other portable devicesoftware: pro tools / audacity / ocenaudio / reaper. Your comments are greatly appreciatedcheers, piotr zaczek.