Theory

Color music theory

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Intervals

Intervals Any two musical notes with fundamental frequencies in a ratio equal to 2n (n is any integer) are perceived as very similar and represent the simplest interval in music – an octave. Human pitch perception is periodic so that “color” or chroma of all the notes that are an octave apart seem circularly equivalent…

Harmonic series

Harmonic series Acoustic oscillators such as a string or a column of air vibrate at numerous modes simultaneously. Waves travel in both directions along it, reinforcing and cancelling each other to form standing waves, that produce audible sound in surrounding air. The longest allowed wavelength of an oscillator is twice it’s the length. Wavelengths that…

Colorful notes

This juxtaposition shows that electromagnetic and acoustic oscillations are of entirely different nature and can’t be matched just as they are. Audible frequencies of oscillating air correspond to long radio range of EM spectrum. If compared by the wavelengths our notes are situated somewhere around the FM radio range. In turn the visible light oscillations…

Sound and tone perception

Sound Acoustic vibrations propagate as mechanical waves of pressure in a transmission medium such as gas, liquid or solid. The speed of sound in air at 20 ºC is about 343 m/s (1,235 km/h) and complexly depends on density and pressure/stiffness of the medium. Audio range falls between infrasonic (<20 Hz) and ultrasonic (>20 kHz)…

Color

Color The perception of color derives from the stimulation of cone cells in the human eye by visible light. Light, containing all spectral colors is perceived white. Color of an object depends on the range of wavelengths of light that are absorbed or reflected by it’s surface. The sense of a particular color is produced…
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