Professional audio debugging-adjust the equalizer.High-end bar audio Vendor

　　Pull down the main control output fader of the mixer and play a CD record with singing that you are very familiar with. I usually know the balance of the high, middle and low frequency bands, music and singing through headphones subjectively. There has been a subjective standard for the balanced ratio of, the music can be replayed through the sound reinforcement system, or the audio test CD record can be played.

　　1. Main sound reinforcement system room balance adjustment: On the mixer, adjust the PAN on the left channel input channel of the CD record to the left. The PAN on the right channel input channel is adjusted to the right, and the gain knobs on the two channels are adjusted to make the corresponding peak indicator light in a better state, and the corresponding channel fader is at the 2/3 position. Push up the left and right master faders of the mixer until the sound volume in the auditorium is sufficient. Then adjust the room equalization and proceed in sections, divided into four frequency bands: high, medium-high, medium-low, and low, with every two scale frequency points as a group. Make subjective assessment based on listening, and increase the attenuation gain. It is better to start from the mid-high frequency point, and then go up or down to increase the attenuation gain at other scale frequency points, until the music pitch, middle and low balance heard in the audience The situation is almost the same as the original earphones. At this time, the distribution curve of the push button on the room equalizer is a qualitative compensation curve. In the subsequent tuning process, this adjustment cannot be changed arbitrarily.

　　2. Auxiliary sound reinforcement system engineering room equalization adjustment: first pull down the left and right master control faders on the mixer, turn off the main sound reinforcement, program the input sound signal into the group bus, and push up the group output master control on the mixer , Until the music is heard clearly in the audience and the volume is moderate. Adjust the compensation according to the method of adjusting the room equalizer of the main sound reinforcement system to obtain the room compensation curve of the auxiliary sound reinforcement system.

　　3. The room balance adjustment of the return sound reinforcement system: The adjustment method is the same as that of the main sound reinforcement system, but the adjustment of the volume of the sound is carried out on the auxiliary knob. The adjusted room equalization compensation should not be changed arbitrarily in the subsequent sound reinforcement.

　　Try it out if the sound is good or bad! Professional audio debugging preparation

　　In many cases, the use of professional audio systems is not just based on what the book says. In current practical applications, the environment is often far more complex than in the past. Therefore, the theoretical knowledge in the book needs to be understood and used flexibly in order to do well. Proper use of professional audio systems. And the professional audio debugging work is to test right and wrong in practice. After all, a performance is the painstaking effort of many people behind the scenes. If there is a problem with the sound system without debugging, the whole performance will be greatly reduced. The following is an introduction to the debugging methods of professional audio systems, and I hope to help you.

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Inner Mongolia ID-X bar audio is provided by Ma Teng Audio.Professional KTV sound system