What issues should I pay attention to when recording a chorus scene?
Even there are a lot of live chorus, whether there is sound reinforcement, whether there is a camera, or even whether there is a light
There is a sound reinforcement: look at the Grammy, basically one person wearing a microphone, because the field microphone can not be used in the sound reinforcement system, howling and unguaranteed signal to noise ratio and return are problems. Don't tell me about the Avenue of Stars, the microphone is like it, it is a fake sing, it is a way with the player's life. My classmates are just doing the sound reinforcement of the Chinese version of the cat, they are also wearing them. The 96-channel mixer is full. It is not like any place to do the program with the CCTV. I can’t wait to add a few hosts to the two-way fake singing. The microphone, broadcast and mono (the set-top box is the gospel, finally pulled the TV audio signal out of the wild time).
No sound reinforcement: The soundless sound is close to the sound of the concert. Basically, the system uses the pickup, the main and the sub-sound, and restores the state of the scene by living in the pickup system. If the recording is empty, the omnidirectional system such as AB can be used. If there is a viewer and the stage is not far from the audience, then basically Composite systems are used to guarantee signal-to-noise ratios, such as ORTF or DIN. For LIVE, program consistency and signal-to-noise ratio are always higher than sound quality. The so-called main and sub-pickups are auxiliary point microphones, which are very helpful for programs with lead vocals and so on. But MIX should pay attention to it when it is too late.
For programs that require mono broadcast, the intensity difference system such as XY and MS is basically used. If the middle part is important, it is more inclined to MS because there is a problem that the microphone is off-axis, and the middle sound of the XY system. The sound is not guaranteed in the off-axis area of ​​the microphone, and the MS can not only change the pickup angle by adjusting the ratio of M and S, but also the main axis of the M microphone is opposite to the middle part, and the sound quality is more guaranteed.
Say something to note:
For example, the lamp and the lamp generally have three effects on the recording. One is that the electromagnetic interference of the transformer to the microphone will bring a click, and it can hardly be solved on the spot. The second type is that it will beep once and can pass the microphone distance, the axial direction. Wait a minute to solve part of it, the third is power crosstalk, AC power distortion caused by high power, etc. This relatively good solution, try to use electricity when the lights and audio can not get through the gate, and with the essence of power can be avoided most.
The problem with recordings with large images is that the usual requirements do not affect the picture, so try to use the ceiling mount and use a smaller microphone. There are also a lot of ways to play the microphone, such as how to hide the microphone stand.
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