The live audio that is explained here is different from the recording technology. Many people think that the highest level of sound is recording technology. In fact, this is not comprehensive. In the recording technology, there is basically no feedback, because when operating in a recording studio, all the peripheral factors can be controlled, but in the live replay, there are many problems that are inevitable, so live audio and recording Sound is two different kinds of learning.
The requirements for live audio and studio audio are different, so there are many different devices. For example, in the mixing console used in the recording studio, each input has a plurality of parameter equalization, so that the sound engineer can finely adjust the input source of each input as much as possible to achieve the best sound source effect. A mixer for live audio, usually in each of its inputs, the balance is relatively simple. Because many times, the live tuner does not have a lot of time to fine-tune the sound source of each channel. In addition, the volume control fader of each channel in the live sound mixer can not only attenuate the volume, but also Can gain 10-14dB. If you are working on a mixing studio for the studio, this putter does not need to be used for a lot of time, so the English name of this putter is fader, which means the attenuator. For high-power amplifiers used in live audio, they all have fans for cooling purposes, because live audio amplifiers often work at maximum power output, and there are many times when you are doing live sound outdoors, the surrounding temperature may be quite high. If you are in the studio, there will usually be air conditioning, the temperature will of course not be too high, and the amplifier in the recording studio is mainly used to push the monitor speakers. Of course, there is no need to output a large amount of power, so the amplifier only needs to use ordinary The heat sink can dissipate very little heat. If the amplifier is equipped with a fan, the sound from the fan will cause noise, so the amplifier in the recording room basically does not need a fan.
The speakers used in live audio, in order to transmit a large sound pressure to the audience at a long distance, they need to be very efficient, but the monitor speakers used in the recording studio are used by the sound engineer to monitor the sound source or recording. The final result, the sound engineer is sitting close to the monitor speakers to monitor, so the monitor is a near-field speaker, does not require high sensitivity, the effect is completely different from the live audio speakers.
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