Reverberation effect made by Nasca Paul with ZynAddSubFX software synthesizer. A short sample is followed by different samples with reverberation effect.
Closing a metal door in a natural reverberated acoustic. France, 2005. Recorded with octava mc12 in, ortf setuprecorded on fostex fr2wave stereo 16 bits 48khz.
Went to a public toilet in a small village in the lake district (england). The door lock made the most awesome sound and the reverb in that room sounded great, luckily i had my recorder. . .
This sound was made only with audacity effects. I used 2 risset drum effects, followed by a sinusoidal sound at 220 hz with a fade in, and finally one 10ms beat of a click track with a reverberation effect.