Photography hifi

When communicating with friends who burn, you will encounter some systematic Leng Yan voices. When you listen to it for the first time, you will have a tingling feeling, and then you will feel very noisy and want to get up and run away. But some systems will make people intoxicated and don't want to leave. This feeling is caused by the sound quality of the system. The sound performance of a sound system is usually evaluated by the word sound quality. In sound technology, the sound quality of sound includes three aspects:

1, the pitch of sound, that is, the intensity and amplitude of audio. (personally understood as the frequency response and image level of audio);

2, the tone of the sound, that is, the frequency of audio or the number of changes per second. (Personally understood as the dynamic performance of audio);

3, the timbre of the sound, that is, audio overtones or harmonic components. (Personally, it is understood as the characteristics that a sound generator should have).

Friends who have used film cameras and digital cameras in photography have a feeling that the photos taken by the two cameras can be seen at a glance (the computer views them at the original size, and the positive film is converted into a picture file by scanning). The photos taken by digital cameras are usually stiff and unnatural because of excessive brightness and color, too strong contrast, and excessive sharpening of object edges (some show knife-like white edges). However, the photos taken by the film camera are too natural in light and shade and color, with heavy feeling, black in black and white in white, moderate in contrast, and the edges between objects are natural and true, which is quite eye-catching.

Personal understanding of the digital taste and analog taste of sound quality often lies in the timbre. (The following is purely personal understanding and does not represent expert opinions. )

The so-called digital flavor is mainly due to the lack of rich and smooth voice performance and insufficient overtones. Some people even deliberately raise the high and low frequency ends to make the whole sound Leng Yan and particularly noisy. For example, when listening to stringed instruments such as guitar, grand violin, guzheng and erhu. The tail sound of string vibration and the aftersound in the resonant cavity are missing. Only when you hear the so-called metallic sound from the string will the sound be very noisy. For another example, the drum sound lacks the elasticity of the drum skin and the vibration of the drum cavity, the piano lacks the overtones that the keys should vibrate when striking strings and the resonance of the box, the high-frequency sounds such as triangle iron lack the tail sound transmitted by air, and the mid-frequency overtones of oral sounds lack the pursuit of bright voices. Teeth are too obvious, and voices have burrs, which will make you feel scratching your head. The so-called analog flavor only makes up for the lack of digital flavor and restores the truth as much as possible. The timbre is moist and thick, the overtone is moderate and layered, and the aftertaste is quite lasting (of course, the overtone can't pass, and it will become fat and distorted if it can't be closed).

Recommended track for testing timbre: 1. Percussion quintet with silent action in BOSE professional demo "Sharp Edge"; 2. Guitar performance of Yanagi Makoto Town in the album hivi Audition Day IV; The symphony strength of Strauss Waltz in the album Red Shirt Army: 3. The album Empty Mountain Silence-Oriental Zen, the Guqin/Xiao/Bawu ensemble; 4. Specializing in the dolphin soprano opera in the myth of "The Sound of Shaking the Soul" 2; 5. The gradual nature of the mass chorus in the album "Mass"; 6. "amazing grace" in the album "Edge" sings a female voice; 7. Male audition recommended Zhao Peng's Red Rock, Feng Xiang's Hanyangmen Garden, Xue's Who (DJ He Peng Edition), female audition recommended Nanniwan, "Drop in sometime", "Opportunity" and "Thirty-year-old Woman". . There are many timbre audition tracks in China, so I won't list them here.

I have played the violin for eight years, participated in choir performances, played guitar and harmonica for a few days, and went to the recording studio to record CDs, so I am sensitive to the timbre of the sound.

As long as the current audio equipment is not too fake, its sound quality is guaranteed. How to make the final sound quality as little as possible with digital flavor, and more analog flavor close to warm and natural, should be the goal pursued by burning friends, and share some personal experiences next time.

Those things about acoustics can only be known after hearing them and understood after experiencing them. Only by experiencing them personally can we have a chance to experience the fun. Of course, don't forget that your innovative spirit is more important than your ability, haha. . . . Welcome burning friends to exchange guidance.