Functions of sounds in different frequencies in music)

The human ears feel the sound frequency from the lowest 20Hz to the highest 20 kHz, while the human voice frequency ranges from 80 hz-12khz, And the sounds in different frequencies have different feelings for people.

 1.20Hz -- 60Hz part. this promotion can give music a strong feeling, give people a sound feeling, such as thunder. if the increase is too high, it will be turbid and unclear, resulting in poor definition, especially low frequency response and low frequency heavy audio equipment.

 2.60Hz -- Hz part. this section is the low-frequency structure of music. It contains the basic music of the rhythm part, including the pitch and the main music of the rhythm. it balances the tone structure with the ratio of High-mediaintone. upgrading this section can make the sound plump, and excessive lifting will make the sound rumbling, and the attenuation of this band and the high middle band will make the sound thin.

 3.250Hz -- 4 kHz section. this section contains the low frequency wave of most instruments, and affects the definition of sounds such as human and musical instruments at the same time. It should be adjusted with the front bass settings, otherwise the sound quality will become dull. if you increase too much, the voice will be like the voice in the phone; if you increase the bandwidth by Hz or 1 kHz, the voice will be like the voice of the horn. If you increase the bandwidth by 3 kHz, the voice recognition will be masked, that is, the mouth is unclear, and make the lip sound "M, B, V" difficult to distinguish, usually do not adjust this section, excessive elevation of this section will make the auditory fatigue.

 4.4 kHz-5 kHz, which is a frequency band that affects the sense of presence (distance). Increasing this frequency band makes people feel that the distance between the sound source and the listener is slightly closer; attenuation changes the sound distance. If the sound distance is increased by about 6 dB at 5 kHz, the sound power of the Mixed Sound is increased by 3 dB,

 5.6 kHz -- 16 kHz section. this frequency band controls the brightness, brightness, and clarity of the tone. in general, upgrading this part makes the sound loud, but not clear, may also lead to Heavy tooth sound; attenuation this part makes the sound clear, the sound quality is slightly thin. this band is suitable for restoring human voice.

 The following lists the features of common EQ combinations:

Pop: pop music. It mainly combines human and instrumental music and compares the average combination, so the fluctuation of the EQ curve is not very large.

 ROCK: Rock music. Its height and height are greatly improved. The Bass enables strong music, strong rhythm, and clear or even harsh tweeting.

 Jazz: Compared with pop, it improves the 3-5 kHz part and enhances the sense of presence.

 Classical: classical music, which is also upgraded to a high or a low level, mainly highlighting the performance of the instrument.

 Vocal: voice of a person. The frequency range of voice emitted by a person's throat is relatively narrow, mainly in the intermediate frequency.

 In addition, it should be noted that each person feels different for the sound of different frequencies, the frequency response of the audio playback device is also different, and the human hearing curve is only drawn based on the statistical data, therefore, if someone sounds natural, they may feel uncomfortable. The adjustment of the balancer needs to be personalized based on their own listening characteristics and the playing devices used.

Link: http://blog.sina.com.cn/s/blog_4dff58fc0100h0nc.html