Method and apparatus for selecting harmonic color using harmonics, and method and apparatus for converting sound to color or color to sound

An apparatus of selecting a harmony color, the apparatus comprising:

• means for selecting scale degree dividing rate, a harmonics code, and a reference color;
• means for storing a table of the harmony frequency ratio of the harmony scale degree by the harmonics code according to the musical scale degree dividing rate;
• means for operating a luminance of the selected reference color, determining an octave corresponding to the luminance, and operating a frequency of the harmonic color from the referenced frequency by reference to a harmony frequency ratio of the selected harmonics code in the table according to the following eguation:
• Fh=Fr×(k{square root over (2)})n
• wherein, Fh denotes a harmony freguency to be obtained, Fr denotes an input freguency, k denotes the number of musical scale degree which is resulted from dividing a freguency of one octave by a constant rate, n denotes a harmony freguency ratio and 1≦n≦(k−1), in which k and n are natural numbers.

A method of converting a sound to a color, the method comprising the steps of:

• Fourier-transforming an inputted sound;
• sampling at least one signal of particular audible frequency among the Fourier-transformed signals;
• converting at least one sampled signal of the audible frequency into a signal of a visible frequency using following equation;
• and
• displaying a color corresponding to at least one converted visible frequency:
• F=Fl×2x*
• BF∝x
• wherein, x = log 2 ⁢ ( f i f l ) + C ′ ,
• F is a visible frequency to be obtained, Fl is a reference visible frequency, a positive number of x is a value of octave, BF is a luminance of color, x* is places of decimals and denotes a height of sound in one octave, fi is a sampled audible frequency, fl is a reference audible frequency, C′ is a constant and denotes a rear number between 0≦C′≦1.

A method of converting a sound to a color, the method comprising the steps of:

• Fourier-transforming a number of inputted sounds through a number of channels;
• sampling at least one signal of particular audible frequency among the Fourier-transformed signals;
• operating a sound source position between a number of channels using the signals of audible frequency corresponding to each other;
• converting at least one sampled signal of the audible frequency among a number of sounds into a signal of a visible frequency using following equation;
• and
• displaying a color corresponding to at least one converted visible frequency according to a frequency and sound position:
• F=Fl×2x*
• BF∝x
• wherein, x = log 2 ⁢ ( f i f l ) + C ′ ,
• F is a visible frequency to be obtained, Fl is a reference visible frequency, a positive number of x is a value of octave, BF is a luminance of color, x* is places of decimals and denotes a height of sound in one octave, fi is a sampled audible frequency, fl is a reference audible frequency, C′ is a constant and denotes a rear number between 0≦C′≦1.

An apparatus of converting a sound into a color, the apparatus comprising:

• means for inputting the sound;
• means for amplifying the input sound;
• means for Fourier-transforming the amplified sound;
• means for sampling at least one signal of particular audible frequency among the Fourier-transformed signals;
• means for converting at least one sampled signal of the audible frequency into a signal of a visible frequency according to the following equation:
• F=Fl×2x*
• BF∝x
• wherein, x = log 2 ⁢ ( f i f l ) + C ′ ,
• F is a visible frequency to be obtained, Fl is a reference visible frequency, a positive number of x is a value of octave, BF is a luminance of color, x* is places of decimals and denotes a height of sound in one octave, fi is a sampled audible frequency, fl is a reference audible frequency, C′ is a constant and denotes a rear number between 0≦C′≦1;
• and
• means for displaying a color corresponding to at least one converted visible frequency.

An apparatus of converting a sound into a color, the apparatus comprising:

• means for Fourier-transforming a number of inputted sounds through a number of channels;
• means for amplifying the input sound;
• means for Fourier-transforming the amplified sound;
• means for sampling at least one signal of particular audible frequency among the Fourier-transformed signals;
• means for operating a sound source position between a number of channels using the signals of audible frequency corresponding to each other;
• means for converting at least one sampled signal of the audible frequency into a signal of a visible frequency according to the following eguation:
• F=Fl×2x*
• BF∝x
• wherein x = log 2 ⁢ ( f i f l ) + C ′ ,
• F is a visible freguency to be obtained. Fl is a reference visible freguency, a positive number of x is a value of octave, BF is a luminance of color, x* is places of decimals and denotes a height of sound in one octave, fi is a sampled audible frequency, fl is a reference audible freguency, C′ is a constant and denotes a rear number between 0≦C′≦1;
• and
• means displaying a color corresponding to at least one converted visible frequency according to a frequency and sound position.

A method of converting a color into a sound, the method comprising:

• obtaining a visible frequency Fi and a luminance BFi corresponding to an input color;
• converting the visible frequency into a audible frequency by following equation;
• and outputting the converted audible frequency in a sound:
• f=fl×2x+BFl
• wherein, x = log 2 ⁢ ( F i F l ) + C ,
• f is a audible frequency to be obtained, f1 is a reference audible frequency, a positive number of x is a value of octave, BFi is a luminance of Fi and denotes a constant between 1≦BFi≦10, and C is a constant and denotes a real number between 0≦C′≦1 determined by the reference frequency.

An apparatus of converting a color into a sound, the apparatus comprising:

• input means for obtaining a visible frequency Fi and a luminance BFi corresponding to an input color;
• conversion means for converting the visible frequency into a audible frequency by following equation;
• and
• output means for outputting the converted audible frequency in a sound:
• f=fl×2x+BFi
• wherein, x = log 2 ⁢ ( F i F l ) + C ,
• f is a audible frequency to be obtained, f1 is a reference audible frequency, a positive number of x is a value of octave, BFi is a luminance of Fi and denotes a constant between 1≦BFi≦10, and C is a constant and denotes a real number between 0≦C′≦1 determined by the reference frequency.

A method of selecting a position of a sound source, the method comprising the steps of:

• inputting a sound from the sound source through a number of channels spaced apart in a constant interval;
• Fourier-transforming the inputted sound through each channel;
• sampling a peak value of the Fourier-transformed signal;
• and
• operating a sound source generating position between a number of channels using a sound pressure of the plurality of channels at each sampled frequency according to the following equation:
• I diff = k ⁡ ( 1 s 2 + a 2 - 1 s 2 + ( d - a ) 2 )
• wherein, a is a value of sound source generating position to be obtained by setting the sound source input position of the first channel to zero, d is a distance from the sound source input position of the first channel to the sound source input position of the second channel, s is a distance extending at right angle from a straight line extending between the sound source input positions of two channels to the actual sound source, k is a constant of k>0, and Idiff is a sound pressure value of the first channel minus a sound pressure value of the second channel at a particular peak.

A method of selecting a position of a sound source, the method comprising the steps of:

• inputting a sound from the sound source through a number of channels spaced apart in a constant interval;
• Fourier-transforming the inputted sound throuah each channel;
• sampling a peak value of the Fourier-transformed signal;
• and
• operating a sound source generating position between the sound source input position of a number of channels as the following equation:
• Ediff=M1energy−M2energy
• If Ediff>0, the sound source generating position is close to the first channel,
• If Ediff<0, the sound source generating position is close to the second channel,
• Energy=Σ(P12+P22+ . . . Pn2)
• wherein, Ediff is a value of the sound source generating position with the middle position between two channels being zero, Pn is a value of sound pressure level having a detected peak, n is a number of detected peak, M1energy is a value of sound pressure energy of the first channel, and M2energy is a value of sound pressure energy of the second channel.

An apparatus of selecting a position of a sound source, the apparatus comprising:

• means for inputting a sound from the sound source through a number of channels spaced apart in a constant interval;
• means for Fourier-transforming the inputted sound through each channel;
• means sampling a peak value of the Fourier-transformed signal;
• and
• means for operating a sound source generating position between a number of channels using a sound pressure of a number of channels at each sampled frequency peak according to the following eguation:
• I diff = k ⁢ ( 1 s 2 + a 2 - 1 s 2 + ( d - a ) 2 )
• wherein, a is a value of sound source generating position to be obtained by setting the sound source input position of the first channel to zero, d is a distance from the sound source input position of the first channel to the sound source input position of the second channel, s is a distance extending at right angle from a straight line extending between the sound source input positions of two channels to the actual sound source, k is a constant of k>0, and Idiff is a sound pressure value of the first channel minus a sound pressure value of the second channel at a particular peak.