Scratching: a soundscape
Moving a vinyl record back and forth is a classic DJ trick and a great way to create rhythmic sound effects. Scratching…
Find your sound
Put on your headphones and experience what historical ears sounded like.
Vinyl noise
The crackling sound of a record player….. This is the sound of a vinyl record playing “after the record is done”. That…
Linköping City Festival 2019: Soundscape 1 (soundwalk)
The annual City Festival in Linkoping is a large event that attracts around 300.000 visitors each year. It takes place late august…
Lufthansa CRJ 900 /-NextGen landing at Trieste
Landing procedure of the Lufthansa CRJ 900 /-NextGen passanger airplane from the first announcement in the air to the finish at the…
Graffiti artist painting a wall in a city
Graffiti artist Tomi Lastunen painting a transformer house wall. Lastunen is a well known street artist who also has taught graffiti painting…
The sewage treatment plant (16): sludge dewatering – the mixer
Sounds recorded at the sludge dewatering mixer. Fermented sludge following biogas production goes there. The dewatered sludge contains about 25% dry matter…
The sewage treatment plant (15): sludge dewatering – the press
Sounds recorded at the sludge dewatering press. Fermented sludge following biogas production goes here. Dewatering is necessary so that the waste can…
The sewage treatment plant (14): sludge heating
Sounds recorded in the building with heat exchangers which heat the sludge to a temperature of about 38oC. Heated sludge goes to…
The sewage treatment plant (13): the secondary sludge tank
Sounds recorded at a secondary tank, where the sludge from mechanical and biological treatment is mixed. The waste will be used for…
The sewage treatment plant (12): mechanical sludge thickening
Soundscape recorded at the biological sludge thickening station. Sludge generated in the course of biological and mechanical treatment is used for biogas…
The sewage treatment plant (11): the treated sewage receiver
Sounds recorded at the place where treated sewage goes into the measuring chamber, just before it is discharged into the Drwina River.…
The sewage treatment plant (10): biological reactors
Soundscape recorded on the platform above the biological reactor. The plant has five biological reactors each with a capacity of 27,000 m3…
The sewage treatment plant (9): primary settling tanks
Sounds recorded above the primary settling tank. It is one of four round tanks in which the last stage of mechanical treatment…
The sewage treatment plant (8): the sand trap – sewage following sand removal
Sounds recorded at a site where sewage purified from sand goes towards the primary settling tanks. The recording was made at the…
The sewage treatment plant (7): the sand pit – the sand removal building
Soundscape recorded in the sand removal building. The installation is used for the final removal of sand from sewage (about 6 tonnes…
The sewage treatment plant (6): the sand trap – sewage going into the sand removal building
Sounds recorded at a place where sewage, after going through the sand trap, flows into the sand removal installation. The sand trap…