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"Music From Nowhere 1st exhibition: Generator Sound Art, New York, 1990 In the Music From Nowhere series a variety of loudspeaker cabinets are transformed into acoustic sound-producing devices. The actual speakers are removed from inside the speaker cabinets and the cabinet interiors are refitted with mechanical-acoustic sound-producing systems. All devices are automated so that they work independently for an unlimited length of time. These may be modified water fountains, mechanical vibrators, or logic and motor-driven systems that articulate acoustic sounds. Each system is designed with built-in mechanical variables to produce variation or indeterminacy within the sound, thus helping to create the illusion that one is listening to a recording being broadcast through the given speaker cabinet. Each speaker cabinet has a plexiglas backing so that the viewer can see inside the box. These fake loudspeakers are exhibited together in a room so that a form of 'real' musique concrete is achieved."

Great visualization about how speakers work. "Speakers (also called loudspeakers) push and pull surrounding air molecules in waves that the human ear interprets as sound. You could even say that hearing is movement detection. So what makes a speaker travel back and forth at just the right rate and distance, and how does that make sound?"

"'Inversion 3: Speaking Surfaces' is part of the project Reconfiguring the Landscape, which aims to establish a new awareness of our environment. This outdoor versions plays over a specially designed loudspeaker that bounces beams of sound off the surrounding buildings. The documentation was recorded with an EM32 microphone and then transcoded to binaural. Please listen on headphones. About 'Inversion 3: Speaking Surfaces': Using a high-definition 3D microphone, I capture the sound field of the public space in Graz and break it down analytically. I then amplify the unheard sounds, transform and compose with them, and create an enhanced sound picture. The inaudible becomes audible; putatively ambient sounds become an exciting, dynamic event."

"'Inversion 3: Speaking Surfaces' is part of the project Reconfiguring the Landscape, which aims to establish a new awareness of our environment. This outdoor versions plays over a specially designed loudspeaker that bounces beams of sound off the surrounding buildings. The documentation was recorded with an EM32 microphone and then transcoded to binaural. Please listen on headphones. About 'Inversion 3: Speaking Surfaces': Using a high-definition 3D microphone, I capture the sound field of the public space in Graz and break it down analytically. I then amplify the unheard sounds, transform and compose with them, and create an enhanced sound picture. The inaudible becomes audible; putatively ambient sounds become an exciting, dynamic event."

"Listen to the eerie sounds of "The Wandering Soul" - also known as "Ghost Tape Number 10" - that was broadcast by loudspeakers installed on Swifts and other units during "Chieu Hoi" and Psychological Warfare missions to "taunt" the enemy. { "So Moui" or "Numbah Ten" was a common slang term used by both Vietnamese and Americans, meaning it was "Really Bad" } "

"This site documents examples discussed in my book Between air and electricity - Microphones and loudspeakers as musical instruments. Although most of these pieces and performances are best experienced live, these audio and video documentations might be helpful to get a better understanding of the music."

"Imagine hearing the colours you perceive. SOUND of LIGHT is a synesthetic sculpture which interprets and dynamically transforms sunlight into audio frequencies. It is a site specific installation designed for the former music pavilion in Hamm, Germany, which was built in 1912. A high-quality digital camera mounted on the top of the structure films the sky and divides it into six colours - RGB and CMY. The six hanging, coloured columns of the pneumatic structure - which stand for the primary RGB (red/green/blue) and secondary CMY (cyan/magenta/yellow) colour models - are designed to receive different frequencies and convert them from visible to audible sensory input. A series of woofers is fixed directly on the bottom of each column and convert the whole architecture into a giant vibrating loudspeak"

""The Smallest of Wings" juxtaposed the beating of moth wings recorded in upstate New York with the buzzing sound of hummingbirds' wings from the Amazon to create an immersive environmental experience. Vitiello and engineers from Arup Acoustics designed an open, dome-like configuration over an inviting grass circle for the installation. Eighteen loudspeakers were attached to the configuration with four, very large subwoofers on the ground."

"Living under the paving stones, consuming our refuse, and incubating our diseases, the city rat is a ubiquitous part of global, urban capitalism. The revulsion rats inspire actually speaks of our closeness to them-rattus norvegicus burrows through the supposed human / nature divide. And just as we continually negotiate our place in a dynamic city, so have rats developed elaborate social codes intertwined with urban architecture and geography. We are not usually privy to the vocal address of one rat to another, however, as they primarily speak above the (20khz) threshold of human hearing. For Urban Intonation, I recorded rats at multiple sites on the streets of NYC with an ultrasonic microphone. I then resampled and pitch-shifted the result into the range of the human voice and mixed it for playback over a human public address system, repositioning rat noise in public space as something that is recognizable, if not intelligible, as speech. "