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"Who raises the alarm, and in whose interest? What might a siren sound like for the entangled human, non-human, and more-than-human? This collection emerges from and expands upon a three-day program at Tate Modern, held alongside the premiere screening of Aura Satz's film Preemptive Listening. The programme brought together musicians, artists, historians, sociologists, and activists (several featured in the film), to think through the siren-not simply as an emergency signal, but as a tool for listening, remembering, sensing, and reimagining. Speaking to the sirens that are and those that could be, from sonic warfare to ecological disaster, the conversations circled back to recurring questions of how we might rewrite the scripts of urgency, survival, and resistance. "

"20 Hz observes a geo-magnetic storm occurring in the Earth's upper atmosphere. Working with data collected from the CARISMA radio array and interpreted as audio, we hear tweeting and rumbles caused by incoming solar wind, captured at the frequency of 20 Hertz. Generated directly by the sound, tangible and sculptural forms emerge suggestive of scientific visualisations. As different frequencies interact both visually and aurally, complex patterns emerge to create interference phenomena that probe the limits of our perception"

Angela de Weijer, a Dutch sound artist creates a work for decommissioned emergency warning sirens.

"Psycho-Acoustics: Sound Control, Emotional Control, and Sonic Warfare" explores the work of former Stevens professor Harold Burris-Meyer whose research in the mid-twentieth century investigated the use of sound as a tool for emotional and physiological control and played a critical role in the emerging fields of sound design for theater, music for industry, and applied psychoacoustics for warfare."

The idea for Sonic Bicycle Ride combines Beijing's bicycles - still very evident despite the traffic - with the sampling loudhailers used by street vendors to advertise their wares. These inexpensive devices record eight-second slogans, which playback repeatedly, and loudly, until the batteries go flat. For Sonic Bicycle Ride, eight loudhailers were attached to eight bicycles and used to play specially created sounds as they were cycled around Beijing's streets. Routes were planned through the Xicheng district - an older hutong area crossed by a few busy roads - so that the bikes would be heard in changing combinations, sometimes as one large group, sometimes on their own. The eight layers of sound were designed to be heard separately or to harmonise when brought together. Listeners could follow on their own bikes or stay in one place. Bystanders heard the piece emerging in and out of familiar neighbourhood sounds. "

"This issue of Interference asked authors to consider sound as the means to which we can explain the sonic. Contributions to the study of sound, apart from practice-based works, are often disseminated through language and text. This is the case for most analysis or research into sensory based and phenomenological studies. There is of course a strong case to be made for text; it is the universal way in which contemporary knowledge is transmitted. But perhaps there is an argument to be made for new ways to not only explore sound but to disseminate ideas around the sonic. For example, in what way can 'sonic papers' represent ideas about the experience of space and place, local and community knowledge? How can emerging technologies engage with both the everyday soundscape and how we 'curate this experience'? What is the potential of listening methods as a tool to engage community with 'soundscape preservation' and as a tool to critique and challenge urban planning projects?"

"This class examines the ways humans experience the realm of sound and how perceptions and technologies of sound emerge from cultural, economic, and historical worlds. In addition to learning about how environmental, linguistic, and musical sounds are construed cross-culturally, students learn about the rise of telephony, architectural acoustics, and sound recording, as well as about the globalized travel of these technologies. Questions of ownership, property, authorship, and copyright in the age of digital file sharing are also addressed. A major concern will be with how the sound/noise boundary has been imagined, created, and modeled across diverse sociocultural and scientific contexts. Auditory examples - sound art, environmental recordings, music - will be provided and invited throughout the term."

Radia is a network of independent radio stations who have a common interest in promoting and producing artworks for the radio, and in forming projects based on broadcasting and cultural exchange. We produce a weekly radio show that is broadcast by each of the member radio stations. Our shows represent the local artistic community of each station, whilst at the same time these new works point to an emergent collective notion of self-determined art for radio. radia.fm"

"Scientists at Argonne National Laboratory have discovered a way to use sound waves to levitate individual droplets of solutions containing different pharmaceuticals. While the connection between levitation and drug development may not be immediately apparent, a special relationship emerges at the molecular level."

""I can hear with my knee better than with my calves." This statement made by Bernhard Leitner, which initially seems absurd, can be explained in light of an interest that he still pursues today with unbroken passion and meticulousness: the study of the relationship between sound, space, and body. Since the late 1960s, Bernhard Leitner has been working in the realm between architecture, sculpture, and music, conceiving of sounds as constructive material, as architectural elements that allow a space to emerge."

"The radiofrequency spectrum is at the heart of telecommunications, used by police, emergency personnel and public transport services, as well as the armed forces. Every day, this spectrum ensures the proper functioning of mobile phones and wireless devices. Seen as an essential resource by some and as a health hazard by others, the electromagnetic fields generated by radiofrequency spectrum activity have multiplied exponentially since humans first learned to harness electricity. In his Electrosmog series, Jean-Pierre Aubé searches out ambient radio frequency activity in the urban landscape of Montréal, which for Aubé forms a singular territory, characterized by its density in the city and by the political and economic issues that accompany it. Equipped with a radio, an antenna, and home-made software, the artist sweeps the titular spectrum of radio frequencies. Every tenth of a second, the device takes a snapshot of its readings - a measure of electromagnetic activity on a specific frequency. This information is then paired with images of Montréal, digitally altered by these same measurements, to create a "documentary in sound" of the city's spaces. Montréal, well-known to the artist after years of radiofrequency experiments here, is the eighth city in which Aubé has measured and visually presented this urban Electrosmog. Electrosmog, Montréal, 01.1 MHz - 144 MHz, 2012 Text from the CCA and Elektra - video abstract original length : 11 minutes - built with Processing"

"Noise is not the most important problem in the world. Compared to the disasters of famine, war, and global climate change, the existence of "unwanted sound" hardly counts as a problem at all. It rarely emerges as a public issue in countries struggling with the worst forms of poverty and violence. So far as I am aware, there is no Society for the Suppression of Unnecessary Noise in the cities and villages of Afghanistan and the Congo. "

"On 27 August 1883, the Earth let out a noise louder than any it has made since. It was 10:02 AM local time when the sound emerged from the island of Krakatoa, which sits between Java and Sumatra in Indonesia"

"ELECTROCHROMA is a 58ʼ30" audiovisual work that emerged from the manipulation of light to generate imagery as well as using a combination of extended techniques applied to sonic-material sources, including translation of image to sound to create the 5.1 surround audio composition. The work utilizes various analog and digital procedures and a variety of software processes to manipulate the moving image and sound. The workʼs imagery ranges from dark to light monochromatic spheres, shifting dynamics and intensity, including flickering and pulsating patterns, retinal impact, and sensory overloads. The sound composition focuses on timbre, low ends, modulated frequencies, textures, static noises, and electronic sounds moving through space. Other sonic layers were created through the use of electromagnetism, custom electronic sounds, and voices scored for the work and performed in a recording studio by artist Marylea Martha Quintana."

"Jennie C. Jones  practice mines the territory of Modernism-abstraction and minimalism; experimental jazz; and seminal political and social shifts-to reveal the complex and often parallel legacies of the mid-20th century's social, cultural, and political experimentations.  Jones brings to light the unlikely alliances that emerged between the visual arts and the imprint of jazz, highlighting the way they became and continue to exist as tangible markers of social evolution and political strivings. "

"Manual for Acoustic Planning and Urban Sound Design (MAP) is a public artwork based on working for one year within the city council in the experimental role of Dublin City Acoustic Planner & Urban Sound Designer, negotiating the projects' agenda and workflow in response to how this concept is received internally within the council. This project emphasizes a dematerialized practice through which practical outputs (in the form of public sound installations) emerge as residual artifacts that are encountered as design prototypes executed within (or even by) the council itself. This approach opens new channels for the city - as an institution - to engender a sense of responsibility and possibility regarding this mode of working with sound in the urban context as an extension of existing planning and design processes."

"Bernie Krause is an American musician and soundscape ecologist. He has been recording, researching and archiving soundscapes for over 40 years. ....It celebrates the work of Krause's work, adding a simple but fitting and room-filling spectrogram to the recorded soundscapes, emerging the listener in sound, and being able to recognise the animals with visual cues. Here's a 360-degrees video, if your browser can play that: The idea is quite simple, but the soundscapes are compelling and diverse. While it can sometimes be hard to get an audience interested in sound-based works in a museum, United Visual Artists did a great job of adding a simple visual counterpart to keep those who aren't used to only listen to sound, interested. If you want to know more about the work of Bernie Krause, I suggest watching this TED Talk about "The voice of the natural world"."

"What is "sound art"? Should we define it within the context of experimental music or the visual arts or both? While the term first came into being in the 1980s, sound in the visual arts has a far longer history, ranging from Modernist experiments with synesthesia to the avant-garde exploits of Dada and Futurism. Sound art also has a distinctly musical heritage, emerging from the compositional experiments of John Cage, Tony Conrad, La Monte Young, Maryanne Amacher, and Pauline Oliveros, among others. This conversation will serve as the keynote to an all-day interdisciplinary conference on sound art and experimental music."

In this podcast, we talk to Antye Greie about language, sound, and the body. At their intersection, the voice emerges, with its multiple resonances and different ways of introducing the voice of others through her own practice and space of visibility. Along the way, we look at her work and methodology, from the deconstruction of texts to the implementation of what she calls "feminist sonic technologies". Permeating everything, we encounter the memory and the experience of having been raised in the values and the political experiment of the former Eastern Bloc and feeling part of a silenced diaspora. Recorded: February 2022.