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Keyboard which assigns a prime number, light frequency, and pure tone to each key and mixes them in a natural way to obtain numbers, colors, and sound.

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#pygame virtual keyboard which assigns a prime number, light frequency, and sound frequency #to keys. it mixes the light frequencies to corresponding RGB colors, mixes #the pure tones to sounds, and multiplies the primes to get unique numbers.

https://pypi.org/project/synesthesiaer/0.0.4/

pip install synesthesiaer
python3 -m synesthesiaer.main

This code assigns a color and sound to a range of positive integers in a natural way.

Input: n

  1. Factor n into a product of primes n = p_1^s_1 * ... * p_r ^s_r

  2. Map every prime to a wavelength into the visible range which is roughly 380nm (800Thz, violet) - 700nm (400Thz, red). Use f_red*(f_violet/f_red)^((i-1)/(num_keys-1)) in analogy to the keyboard mapping of sound frequencies 440Hz*2^((i-49)/12).

  3. For example, the number 197 is p_45. Its light frequency is 492 THz -> 608nm wavelength, so red. 563 is p_103, so 649 THz -> 462nm, so blue. Combining them we get the number 110911 which has a bright purple color.

  4. To convert this spectrum to the appropriate color of light we use the CIE color matching functions (https://www.cs.rit.edu/~ncs/color/t_spectr.html). This can be implemented in almost any language. (https://mathematica.stackexchange.com/questions/57389/convert-spectral-distribution-to-rgb-color/57457#57457).

Output: An RBG color specification.

A similar method can be used for sound, in which case we just scale into the audible range of 20Hz - 20kHz. We then need to mix the tones to get a sound using a synthesizer package, in this case tones.

Importantly, spectra of colors and sounds combine additively. Combining natural numbers via multiplication is straightforward.

This could be used to make a keyboard whose keys are appropriately colored and labeled by prime numbers.

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Keyboard which assigns a prime number, light frequency, and pure tone to each key and mixes them in a natural way to obtain numbers, colors, and sound.

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