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Adjust the sound of the human voice

Whether vocals, voices, or musical instruments, they are not a single tone, but a composite sound. That is, by the sound of the pitch and a series of overtones formed. These overtone is the pitch frequency of the pitch, physics called the crossover, electro-acoustic called harmonics, music called overtone. It has a very important effect on the characteristics of the sound. The number of these overtones and the difference in the amplitude of the loudspeakers constitute the frequency characteristics of the tone curve. This curve on the body and then the performance of the sound. For example, the lower pitch of the piano is 27.5Hz, the higher the frequency is 4186Hz, and the piano has a dozen overtones, its high frequency up to 10kHx ~ 20kHz, generally measured beats headphones 16 overtone or 24 overtone. These overtone can be divided into low frequency overtone, intermediate frequency overtone and high frequency overtone. If the amplitude of the frequency is relatively strong, the sound is very round, natural, harmonious; high frequency overtone amplitude is relatively strong, the sound is bright, clear, analytical Strong. Spectrum curve, that is, the voices of the pan in the morning of the vertex in the coordinates of the connection, the package line is the color spectrum of the morning color. The spectrum of a tone is different, which is different from the material structure, state and vocal intensity of the sounding body and the resonant body.

What is the better sound? According to the Italian aesthetic philosophy point of view, is the pitch to the 16th overtone intensity in the coordinates connected into a straight line, this line is called the better sound line. So, which sound frequency characteristics of the curve closer to this line, which sound low, medium beats by dre and high frequency overtone ratio is also the most balanced, the beats by dre sound of the artistic expression is also the most good. In the human landscaping, modification, you can through the mixer above the input channel in the four equalizer, the tone frequency processing, to improve the sound of the artistic expression. The four-band equalizer in the mixer is divided into four bands, according to the German car music institute information, they are: HF: 6-16 kHz, affect the voice of the expression, resolution.

MID HF: 600Hz ~ 6 kHz, affect the brightness of the sound, clarity. MID LF: 200 ~ 600Hz, affecting the sound and force and strength. LF: 20 ~ 200Hz, affect the mixed thickness of the sound and fullness. If the frequency of the high frequency band is too weak, the sound becomes color, charm, personality loss; if the high frequency band is too strong, the sound will become sharp, hoarse, harsh. If the frequency of the high frequency band is too weak, the sound becomes dim and hazy; if the frequency of the middle band is too strong, the sound will become dull. If the frequency of the low frequency band is too weak, the sound will become empty, weak, soft; if the frequency of the low frequency band is too strong, the sound will become blunt, loss of vitality. If the frequency of the low frequency band is too weak, the tone will become thin and pale; if the frequency of the low frequency band is too strong, the sound will become turbid. The sound characteristics of the four bands are shown in the attached table. Frequency characteristics of four - stage equalizer