HC sound lighting network reported that many sound engineer, when the tuner face an array of audio equipment often find it difficult to operate. I now introduce some tuning techniques to the reader. The human ear is more sensitive to the sound, it can directly determine whether the sound is realistic. If the tone is not handled well, it will not only make the sound monotonous, boring, but also cause serious distortion of the instrument or the singing, so the importance of the tone processing cannot be ignored.
Mixer
For female voices, the treble is too much, and the sound is "tip". In order to make the sound loud and not too harsh, the 400Hz frequency component can generally be compensated. Good sound quality lies in audio debugging, how to adjust the reverberation time, reverberation usually determines the length of the reverberation, and has a direct impact on the color and clarity of the sound. Under normal circumstances, when the bass is singing, the reverberation time can be shortened to improve the clarity of the sound; if it is a soprano, the reverberation time can be extended appropriately to increase the color of the sound. For the singing place, if the wall around the room is made of wood material, then the reverberation time should be reduced to avoid blurring the sound; otherwise, if the room is covered with sound-absorbing materials such as flannel curtains, such a room should Increase the reverb time by a bit to prevent the sound from drying up. In addition, the size of the audience and the audience also has a great impact, because the audience's clothing also has a great sound absorption. Therefore, the sound engineer and the tuner can choose a suitable reverberation time in 1~2 seconds. How to adjust the ratio of the direct sound and the reverberation sound component to the sound directly without the reverberation sound output, can not improve and Beautify the role of sound, so it is usually only used for meetings or readings. Appropriately increasing the proportion of reverberant sound components is conducive to simulating the natural reverberation sound, making the sound full and beautiful, which can increase the stereoscopic feeling of the audience and the audience. Full reverberation without direct sound component output will cause the sound to “stain†and cause serious distortion, that is, it is as confusing as the sound heard in the bathroom and in the bathhouse, and the people in the line call it “bathroomâ€. effect". Therefore, in the absence of special requirements, the knob can be adjusted to the middle position, that is, the ratio of the direct sound component to the reverberation sound component is 1:1, so that the sound will not only produce distortion, but also have a certain reverberation effect. .
How to adjust the ratio between the microphone volume and the accompaniment music
A good song, should be accompaniment music accounted for 40%, singing voice accounted for 60%, if the singer sounds good, you can appropriately reduce the weight of some accompaniment music to highlight the singer's song; if the singer to this song The melody is not very familiar, it is easy to sing and go, not to shoot, in order to cover up these shortcomings, then you can appropriately increase the weight of some accompaniment music. However, in the specific operation, care should be taken not to over-adjust the microphone volume, and not to sing the volume much higher than the accompaniment music. The result is that the accompaniment sound is too weak. Most of the time, only the singer's voice is heard. It seems that a person is singing there and loses the atmosphere of karaoke. But the accompaniment sound is too strong, the sound is too strong, and it will be "submerged." "The singer's voice, it sounds like a band is playing a piece of music, and can't appreciate the singer's taste."
How to adjust the pitch of the accompaniment music
The accompaniment music is played according to the tone of the original singer. It can't adapt to the noise conditions of each singer. For example, some original singers have higher vocal range, and some original singers sing lower pitches. Let the accompaniment music take care of the noise characteristics of each singer, the sound engineer and the tuner should have a sensitive auditory response to the singer's voice characteristics. When singing, first put the tone control in the middle position, since it does not improve, it does not fall. At the beginning of the song, if the singer gets up, it doesn't have to be adjusted. On the contrary, if the singer feels that the bass zone can't sing, or the treble zone can't keep up, the tone can be adjusted to the singer's adaptation according to the actual situation. Sound zone. Tuning is an artistically strong operation process. It requires the tuner to have a good sense of music and savvy. It is necessary to have a high level of musical cultivation, and to have a sensitive auditory response to the scene. Accepted by the audience.
1. Tuning to the host
The moderator is mostly Miss, whose voice characteristics are clear and fluent and expressive. She can influence the mood of the audience, so she has to tone her tone.
Whispering: soft and whispering, delicate feelings, can be picked up at close range, microphone and mouth are very close, which can increase the intimacy, can pick up the slender, weak tone. The disadvantage is that there is a near-talk effect and the low frequency is too strong.
Specific treatment means:
To attenuate LF: Attenuation around 6dB around 100Hz, the maximum attenuation is 10dB.
For MID: 3-6dB boost at 250Hz-2kHz. 250Hz-2kHz is an important frequency band for the language.
Attenuation of HF: 6KHz or higher frequency band 3-6dB to reduce high frequency noise.
The host's microphone should not use the effects processor for reverb (REV) and echo (ECHO) processing, otherwise it will lose its sense of realism and intimacy.
2. Tuning for ordinary people
In the karaoke room, there are some singing enthusiasts and amateur singers, and some people are just entertainment, they mostly sing for themselves. Some of them have not received basic professional training, lack of singing skills, and even people who have bad noise and do not use microphones. Among them, male voices are prone to throat sounds and hoarseness, and female voices are prone to breath noise and vocal cord noise.
In order to eliminate the above phenomenon, the following specific treatment means are adopted.
Cut off below 100Hz to eliminate low frequency noise and make the sound more pure.
A small amount of attenuation at 500-800 Hz, so that the tone is not too stiff.
Increase the brightness of the MID band by 3-6dB to enhance the brightness and make the sound clear and bright;
The average person's voice is low, and the lack of loudness, so the volume should be opened larger; the frequency range of 200-300 Hz can also be increased to increase the loudness of the sound.
Amateur singers have a small dynamic range and do not use automatic volume control.
3. Tuning of professional singers
There are often professional singers in the karaoke hall, invited by friends to the karaoke room to be a guest, and sometimes sing two songs to help friends and guests. Professional singers have a loud voice, and they have a certain level of vocalization, sigh, voicing, and resonance. Everyone has a certain singing style.
Tuning requirements:
To understand the singer's tone characteristics, network genre, high, medium and low overtone characteristics;
To understand the vocal range and dynamic range of the singer;
To be familiar with songs and lyrics, the basic method of adjusting the sound should be consistent with the mood of the song;
Pay attention to the style of the song and the singing mood of the singer;
The grade of the microphone is high: wide frequency response, small distortion, and large dynamics.
The actor stands on the music scene and uses the sound field of the singer to make both the sound and the natural sound. Therefore, the music is required to have good acoustic characteristics.
Female voice: Female voice is prone to S sound (beep) in the high frequency part; 3dB attenuation at 7-10KHz, can eliminate S sound.
Male voice: The male voice field is 8 degrees lower than the female voice, the frequency is lower by one frequency, and the attenuation is about 3dB at 100Hz, which can increase the definition.
Editor in charge: Liu Chaozong
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