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For Liquid Sound, for instance, a special stereo set is necessary because one hears differently underwater than in the air: it is impossible to hear from where the tones are coming. The reason is that sound waves go through water about five times as fast as through the air. Due to its higher speed, the sound seems to be coming from everywhere. [10]
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
In 2016, Ignatiy Vishnevetsky of The A.V. Club described the song as "a placid piece of music that uses a sophisticated palette of synthesized instruments and futuristic sound effects to create a mood of calm that's very different from the sped-up themes usually associated with platform games", being "more nocturnal and urban than submarine".
Music can provide many psychological benefits including stress reduction, improved memory, and general improvement to cognitive performance. [3] Research shows that the activity of listening to music can aid individuals in detaching from their surroundings [ clarification needed ] and help them focus on their own thoughts and actions. [ 4 ]
The sound was recorded in August, 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS. [ 1 ] [ 2 ] Loud enough to be detected throughout the entire Pacific Ocean , Upsweep remains one of the only detected sounds to have an unresolved origin . [ 3 ]
BBC Radio 1 Relax was a British online-only radio stream, owned and operated by the BBC and ran as a spin-off from BBC Radio 1. The station played a selection of relaxation and well-being focused shows, and broadcast exclusively on BBC Sounds. [1] The stream closed on 24 July 2024, three years after launching.
Unlike previous underwater sound sources such as underwater bells, the Fessenden oscillator was reversible; the AC winding could be connected to a head set and underwater sounds and echoes could be heard. Using this device Fessenden was able to detect icebergs at a distance of about 2 miles, and occasionally detected echoes from the sea floor. [2]
These 2 works were adapted to become part of the 1993 book, The Soundscape: Our Sonic Environment and the Tuning of the World - R. Murray Schafer (ISBN 0-89281-455-1) 1977 Five village soundscapes (Music of the environment series) - A.R.C. Publications (ISBN 0-88985-005-4) 1978 Handbook for Acoustic Ecology - Barry Truax (ISBN 0-88985-011-9)
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