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Resonance made visible with black seeds on a harpsichord soundboard Cornstarch and water solution under the influence of sine wave vibration A demonstration of sand forming cymatic patterns on a metal plate. Cymatics (from Ancient Greek: κῦμα, romanized: kÅ·ma, lit. 'wave') is a subset of modal vibrational phenomena.
This book was a written and photographic documentation of the effects of sound vibrations on fluids, powders and liquid paste. He concluded, "This is not an unregulated chaos; it is a dynamic but ordered pattern." Jenny made use of crystal oscillators and his so-called tonoscope to set plates and membranes vibrating.
In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. With tuning instruments that can produce sustained tones, beats can be readily recognized.
With the advent of MIDI in 1983, computers and digital devices took over the production of sound effects from analog devices. [18] Tape loop compositions have seen only sporadic revivals since, such as William Basinski 's The Disintegration Loops series (2002–2003), evidencing the slow death of his tapes originally recorded in the 1980s.
During the listening process, each sound is analysed for a repeating pattern (orange arrows) and the results forwarded to the auditory cortex as a single pitch of a certain height (octave) and chroma (note name). Pitch is perceived as how "low" or "high" a sound is and represents the cyclic, repetitive nature of the vibrations that make up ...
The theory behind the illusion was demonstrated during an episode of the BBC's show Bang Goes the Theory, where the effect was described as "a musical barber's pole". [2] The scale as described, with discrete steps between each tone, is known as the discrete Shepard scale.
A sound is placed in the horizontal plane by processing the sound with recorded head-related impulse responses. Using head-related transfer functions and reverberation, the changes of sound on its way from the source (including reflections from walls and floors) to the listener's ear can be simulated. These effects include localization of sound ...
[3] [4] [5] She was recognised by certain sources as the first to experiment with and observe the phenomenon of visualizing sound, using a device she invented called an "eidophone". [3] The device or instrument produced geometric patterns from the resonance of her voice. As a result, she referred to the images from it as "Voice-Figures.
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