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"Natural sounds, and bird song in particular, play a key role in building and maintaining our connection with nature, but widespread declines in bird populations mean that the acoustic properties of natural soundscapes may be changing. Using data-driven reconstructions of soundscapes in lieu of historical recordings, here we quantify changes in soundscape characteristics at more than 200,000 sites across North America and Europe. We integrate citizen science bird monitoring data with recordings of individual species to reveal a pervasive loss of acoustic diversity and intensity of soundscapes across both continents over the past 25 years, driven by changes in species richness and abundance. These results suggest that one of the fundamental pathways through which humans engage with nature is in chronic decline, with potentially widespread implications for human health and well-being. "

"n array of motion sensitive modules is installed along a section of the trail. When someone walks past, the modules emit sounds which supplement the sounds occurring naturally in the environment. The sound samples are arranged along the path in a sequence which proceeds from the most "natural" to the most "man-made". The effect varies depending upon which way one happens to be moving along the path. At the "natural" end, it is not clear whether what one is hearing is part of the installation or part of the (natural) landscape."

"This study examines evidence of the health benefits of natural soundscapes and quantifies the prevalence of restorative acoustic environments in national parks across the United States. The results affirm that natural sounds improve health, increase positive affect, and lower stress and annoyance. Also, analyses reveal many national park sites with a high abundance of natural sound and low anthropogenic sound"

"Ariel Guzik designs and produces mechanisms and instruments to enquire into the various languages of nature. He is also a musician, draftsman and illustrator. He is the director of the Nature Expression and Resonance Research Laboratory in Mexico (Laboratorio Plasmaht de Investigación en Resonancia y Expresión de la Naturaleza, Asociación Civil), an organisation which explores natural resonance, mechanics, electricity and magnetism and how these phenomena can be applied to music and sound experiments."

"Gordon Hempton is the type of person who gets into something and doesn't let it go. As an acoustic ecologist, most of his obsessions are sounds. Specifically, natural ones. Hempton's been on a crusade for years to highlight the sonic beauty of the natural world, and draw attention to the fact that we're slowly letting that beauty disappear in a sea of noise pollution. Along the way, he picked up a mentor who has helped inspire him and open his ears to nature: naturalist Jon Muir. Though he's been dead for more than 103 years, Muir has helped guide Hempton, who has walked in his steps literally and figuratively."

""We bombard ourselves with sound and music… it's everywhere." So says musician, artist and nature recordist Chris Watson who has captured sounds for numerous wildlife TV shows, including Sir David Attenborough's Planet Earth series on the BBC among many others. In this episode our ever-intrepid host Tim Hinman points his microphone at, well… microphones, speaking with Watson and sound artist Jana Winderen about our ever-fascinating natural world and the jungle of sounds it makes."

"How can art (in all its forms), exhibits, installations and provocations be a better catalyst to raise awareness, support and momentum for urban nature and green spaces? "

"Scientists have recently made some remarkable discoveries about non-human sounds. With the aid of digital bioacoustics - tiny, portable digital recorders similar to those found in your smartphone - researchers are documenting the universal importance of sound to life on Earth. By placing these digital microphones all over Earth, from the depths of the ocean to the Arctic and the Amazon, scientists are discovering the hidden sounds of nature, many of which occur at ultrasonic or infrasonic frequencies, above or below human hearing range. Non-humans are in continuous conversation, much of which the naked human ear cannot hear. But digital bioacoustics helps us hear these sounds, by functioning as a planetary-scale hearing aid and enabling humans to record nature's sounds beyond the limits of our sensory capacities. With the help of artificial intelligence (AI), researchers are now decoding complex communication in other species."

"If you flip on a waterfall to fall asleep, if you keep rainymood.com in your bookmarks, if you associate well-being with the sound of streams and crickets or wonder why the beach never quite sounds as tranquil as you imagine, it's because of Teibel. New York's least likely media mogul was the mastermind behind Environments, a series of records he swore were "The Future of Music." From 1969 to 1979, he took the best parts of nature, turned them up to 11, engraved them on 12-inch records, and sold them back to us by the millions. He had a musician's ear, an artist's heart, and a salesman's tongue, and his work lives on in yoga studios, Skymall catalogs, and the sea-blue eyes of Brian Eno. If you haven't heard of him, it's only because he designed his own legacy to be invisible. "

"The tranquil chorus of the natural world is in danger of being lost to today's generation as people screen out the noises that surround them, a senior US researcher warns. Rising levels of background noise in some areas threaten to make people oblivious to the uplifting sounds of birdsong, trickling water, and trees rustling in the wind, which can often be heard even in urban centres, said Kurt Fristrup, a senior scientist at the US National Park Service"

"Vivid images used by scientists capture sounds that soothe and nurture us - and some that jar the natural soundscape"

"Henrik Håkansson (b. 1968 Sweden) devotes his work to studying the complex connections between humans and nature. He carefully constructs environmental experiments that ask participants to explore their impact on the environment that surrounds them, such as in the installation Frog For e.s.t. (eternal sonic trance) (1995). This piece consisted of a room filled with inflatable pools, humidifiers, insects, frogs, strobe lights, and a DJ mixing techno music on site. Projects like Frog For e.s.t. examine the intrusion of human artifice on the environment: what happens when we attempt to recreate delicate ecological systems? What are the effects of human-made sounds replacing the natural soundscape?"

Dr. Bernie Krause, creator of Wild Sanctuary, demonstrates that every living organism produces sound. This presentation focuses on the symbiotic ways in which the sounds of one organism affect and interrelate with other organisms, local and regional, within a given habitat. Learn about unusual soundscapes and their relevance to preserving natural sounds worldwide. Biophony--the notion that all sounds in undisturbed natural habitats fit into unique niches--will be used to illustrate the ways in which animals taught humans to dance and sing.

"Soundwalk Editions features artists and composers who use environmental field recordings as a point of departure in their work. By recording sounds outside of the conventional studio you are in the act field recording, audibly engaged with ears that gradually refine a sonic experience, like the eye looking through a camera lens. Field recording is often synonymous with phonography, in which sound takes the place of image in documenting a location, physical act, or a natural occurrence. Drawing attention to the quality and experiential nature that can exist in the soundscapes of our environment, these works allow the viewer to have an intimate experience with the various compositional approaches practiced by each individual artist. Through listening to these recordings we have the opportunity to become aware of the various dialects that can exist in the language of field recording compositions."

"The world of "field recordings" is cinéma vérité for the ear: the sounds of natural phenomenon, occasionally from far-flung places, documenting the unreachable, the unexpected and the heretofore inaudible. Listening to these recordings of chattering animals, bustling ecosystems and roaring weather systems can be an experience that blurs the boundaries of music and chance, documentary and art, new age and noise, the real and the imaginary."

Vocalist, performer and sound artist Stine Janvin works with the extensive flexibility of her instrument of the voice, and the ways in which it can be disconnected from its natural, human connotations. Created for variable spaces from theatres, to clubs and galleries, the backbone of Janvin's projects focus on the physical aspects of sound, and potential dualities of the natural versus artificial, organic/synthetic, and minimal/dramatic.

Kathy Hinde is an audiovisual artist inspired by behaviours and phenomena found in nature and the everyday expressed through audiovisual installations and performances that combine sound, sculpture, image and light. Composed of hand-made objects, electronics and a blend of digital and analogue systems, her work represents a cross between kinetic sound sculptures and newly invented instruments. She frequently works in collaboration with other practitioners and scientists and often actively involves the audience in the creative process.

"When species disappear, so do their sounds. But scientists are exploring new techniques to use recordings of these very sounds to bring nature back"